{"title":"Automotive Borescopes — Engine \u0026 Vehicle Inspection Cameras | Ralcam","description":"\u003cp\u003eFind engine problems before you take anything apart. A Ralcam automotive borescope goes in through the spark plug hole, intake port, or valve cover and puts the cylinder wall, piston crown, and valve seats on a live HD feed.\u003c\/p\u003e\u003c!--split--\u003e\u003ch2\u003eWhich Automotive Borescope Fits Your Access Point?\u003c\/h2\u003e\u003cp\u003eStart with the hole you have to get through. Modern gasoline spark plug wells take a \u003cstrong\u003e3.9 mm or 5.5 mm probe\u003c\/strong\u003e; most general engine work runs on \u003cstrong\u003e6.2 mm\u003c\/strong\u003e; diesel bores and larger service ports take \u003cstrong\u003e8.5 mm\u003c\/strong\u003e. Cable lengths run from 1 m for bench-side checks to 3 m for reaching across a heavy block, in flexible, semi-rigid, and rigid configurations. Semi-rigid is the default for engine work: it holds the bend you give it, so the tip stays pointed at the cylinder wall instead of sagging into the bore.\u003c\/p\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eWhat you are checking\u003c\/th\u003e\n\u003cth\u003eWay in\u003c\/th\u003e\n\u003cth\u003eProbe\u003c\/th\u003e\n\u003cth\u003eCable\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMisfire, scoring, piston crown\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSpark plug hole\u003c\/td\u003e\n\u003ctd\u003e5.5–6.2 mm\u003c\/td\u003e\n\u003ctd\u003e1 m semi-rigid\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCarbon on GDI intake valves\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSpark plug hole or intake port\u003c\/td\u003e\n\u003ctd\u003e6.2 mm, 4-way helps\u003c\/td\u003e\n\u003ctd\u003e1 m semi-rigid\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCoolant in a cylinder (head gasket)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSpark plug hole\u003c\/td\u003e\n\u003ctd\u003e6.2 mm\u003c\/td\u003e\n\u003ctd\u003e1 m semi-rigid\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTiming chain, cam lobes, sludge\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eOil filler cap\u003c\/td\u003e\n\u003ctd\u003e6.2–8.5 mm\u003c\/td\u003e\n\u003ctd\u003e1–1.5 m flexible\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTurbo compressor wheel\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eIntake pipe\u003c\/td\u003e\n\u003ctd\u003e6.2–8.5 mm\u003c\/td\u003e\n\u003ctd\u003e1–1.5 m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRust in rocker panels and frame rails\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDrain holes, grommets\u003c\/td\u003e\n\u003ctd\u003e8.5 mm\u003c\/td\u003e\n\u003ctd\u003e1–2 m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDiesel cylinders, larger bores\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eInjector or plug port\u003c\/td\u003e\n\u003ctd\u003e8.5 mm\u003c\/td\u003e\n\u003ctd\u003eUp to 3 m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003ch2\u003eAuto Borescope Models at a Glance\u003c\/h2\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003cth\u003eScreen\u003c\/th\u003e\n\u003cth\u003eSteering\u003c\/th\u003e\n\u003cth\u003eProbe\u003c\/th\u003e\n\u003cth\u003eWhy mechanics pick it\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003ca href=\"\/products\/auto-inspection-camera-n505\"\u003e\u003cstrong\u003eN505\u003c\/strong\u003e\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003e5\" IPS\u003c\/td\u003e\n\u003ctd\u003e2-way, 180°\u003c\/td\u003e\n\u003ctd\u003e5.5 or 6.2 mm\u003c\/td\u003e\n\u003ctd\u003eLarge screen, probe lock, swappable 18650 battery\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003ca href=\"\/products\/automotive-inspection-camera-h406b\"\u003e\u003cstrong\u003eH406B\u003c\/strong\u003e\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003e4.3\" IPS\u003c\/td\u003e\n\u003ctd\u003e2-way, 180°\u003c\/td\u003e\n\u003ctd\u003e6.2 or 8.5 mm, detachable\u003c\/td\u003e\n\u003ctd\u003eOne handset, probes swapped by job\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003ca href=\"\/products\/ralcam-r406s-endoscope-automotive\"\u003e\u003cstrong\u003eR406S\u003c\/strong\u003e\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003e4.3\"\u003c\/td\u003e\n\u003ctd\u003e2-way\u003c\/td\u003e\n\u003ctd\u003e6.2 mm\u003c\/td\u003e\n\u003ctd\u003eCompact, 1 m semi-rigid tube for spark plug work\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003ca href=\"\/products\/ralcam-n308s-car-inspection-camera\"\u003e\u003cstrong\u003eN308S\u003c\/strong\u003e\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003eBuilt-in\u003c\/td\u003e\n\u003ctd\u003e2-way, 90°\u003c\/td\u003e\n\u003ctd\u003e6.2 or 8.5 mm\u003c\/td\u003e\n\u003ctd\u003e1600×1200 detail, cables to 3 m for diesel banks\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003ca href=\"\/products\/ralcam-f408b-articulating-borescope\"\u003e\u003cstrong\u003eF408B\u003c\/strong\u003e\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003e4.5\" IPS\u003c\/td\u003e\n\u003ctd\u003e2-way, 210°\u003c\/td\u003e\n\u003ctd\u003e8.5 mm\u003c\/td\u003e\n\u003ctd\u003eBright 8.5 mm head, widest bend in the 2-way range\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003ca href=\"\/products\/4-articulating-borescope-f606b\"\u003e\u003cstrong\u003eF606B\u003c\/strong\u003e\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003e4.3\"\u003c\/td\u003e\n\u003ctd\u003e4-way, 360°\u003c\/td\u003e\n\u003ctd\u003e6.2 mm\u003c\/td\u003e\n\u003ctd\u003eFull tip control for valves and combustion chambers\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003ca href=\"\/products\/m6x-4-articulating-endoscope\"\u003e\u003cstrong\u003eM6X\u003c\/strong\u003e\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003e5\" IPS\u003c\/td\u003e\n\u003ctd\u003e4-way joystick\u003c\/td\u003e\n\u003ctd\u003e6.2 mm\u003c\/td\u003e\n\u003ctd\u003eBigger screen on a 4-way platform, 1.5 m semi-rigid\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003ca href=\"\/products\/m506-modular-borescope-interchangeable-probes\"\u003e\u003cstrong\u003eM506\u003c\/strong\u003e\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003e5\" IPS\u003c\/td\u003e\n\u003ctd\u003e4-way, 360°\u003c\/td\u003e\n\u003ctd\u003e6.2 mm, interchangeable\u003c\/td\u003e\n\u003ctd\u003eModular handset that takes different probes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003ch3\u003eSteering: 2-way or 4-way\u003c\/h3\u003e\u003cp\u003e\u003ca href=\"\/collections\/2-way-articulating-borescope\"\u003e2-way articulating models\u003c\/a\u003e bend the tip in one plane — enough to clear a bend and angle onto a cylinder wall, and the right call for most day-to-day diagnostics. \u003ca href=\"\/collections\/4-way-articulating-endoscope\"\u003e4-way models\u003c\/a\u003e add left and right for a full 360° sweep, which is what you want when you have to look back along a valve face or work a combustion chamber methodically.\u003c\/p\u003e\u003ch3\u003eDisplay: built-in screen or your phone\u003c\/h3\u003e\u003cp\u003e\u003ca href=\"\/collections\/borescope-with-screen\"\u003eScreen models\u003c\/a\u003e from 3.5\" to 5\" power on and work standalone — no app, no pairing, and your phone stays out of the engine bay. \u003ca href=\"\/collections\/iphone-borescope\"\u003ePhone-connected probes\u003c\/a\u003e plug into an iPhone or Android by cable for a lighter, lower-cost kit.\u003c\/p\u003e\u003ch2\u003eHow to Inspect a Cylinder Through the Spark Plug Hole\u003c\/h2\u003e\u003col\u003e\n\u003cli\u003eLet the engine cool completely, then disconnect the coil and remove the spark plug.\u003c\/li\u003e\n\u003cli\u003eTurn the engine by hand until the piston you are checking sits near the bottom of its stroke — that exposes the most cylinder wall.\u003c\/li\u003e\n\u003cli\u003ePre-bend a semi-rigid cable slightly, feed it in, and articulate the tip toward the wall. Rotate the probe body to sweep all the way around.\u003c\/li\u003e\n\u003cli\u003eLook at the piston crown, then tip up to see the valves and the combustion chamber roof.\u003c\/li\u003e\n\u003cli\u003eRecord each cylinder so you can compare them side by side afterwards.\u003c\/li\u003e\n\u003c\/ol\u003e\u003cp\u003eThe full step-by-step, with what to look for at each stage, is in \u003ca href=\"\/blogs\/news\/how-to-inspect-engine-cylinders-with-a-borescope\"\u003ehow to inspect engine cylinders with a borescope\u003c\/a\u003e.\u003c\/p\u003e\u003ch2\u003eWhat an Automotive Endoscope Shows You\u003c\/h2\u003e\u003cp\u003eVertical scoring on the cylinder wall from a failed ring or debris. Heavy \u003ca href=\"\/blogs\/news\/engine-carbon-cleaning-how-endoscopes-diagnose-the-problem-and-verify-the-fix\"\u003ecarbon buildup\u003c\/a\u003e on pistons and intake valves, common on direct-injection engines. A piston crown that is unusually clean compared with its neighbors — often a sign that coolant is getting in. Cracks, burnt valve edges, and damage from a dropped object. \u003ca href=\"\/blogs\/news\/how-to-read-borescope-images\"\u003eHow to read borescope images\u003c\/a\u003e walks through what each of these looks like on screen.\u003c\/p\u003e\u003ch2\u003eBorescope for Mechanics: What a Shop Actually Needs\u003c\/h2\u003e\u003cp\u003eA mechanic camera earns its place on the cart when it cuts diagnosis time and backs up the quote. For shop use, look for a built-in screen so your phone stays out of the engine bay, a semi-rigid 6.2 mm probe for spark plug work, a probe lock or 4-way joystick to hold the shot steady, and TF card recording so every inspection ends up as evidence on the job file. Pair it with a 3 m cable option if you see trucks and diesel work. The \u003ca href=\"\/products\/auto-inspection-camera-n505\"\u003eN505\u003c\/a\u003e and \u003ca href=\"\/products\/automotive-inspection-camera-h406b\"\u003eH406B\u003c\/a\u003e cover everyday bay work; the \u003ca href=\"\/products\/4-articulating-borescope-f606b\"\u003eF606B\u003c\/a\u003e and \u003ca href=\"\/products\/m6x-4-articulating-endoscope\"\u003eM6X\u003c\/a\u003e add full 4-way steering for valves and combustion chambers.\u003c\/p\u003e\u003ch3\u003eWorking on diesel or heavy-duty?\u003c\/h3\u003e\u003cp\u003eDeeper bores and longer reaches have their own sizing rules — see \u003ca href=\"\/collections\/truck-engine-inspection\"\u003etruck and diesel engine borescopes\u003c\/a\u003e.\u003c\/p\u003e\u003cp\u003eEvery probe in this range is IP67 rated against oil, coolant, and fuel, with adjustable LED illumination for dark engine bays. Always inspect a cooled engine.\u003c\/p\u003e","products":[{"product_id":"f408a-endoscope-camera-android-iphone","title":"Endoscope Camera for Android \u0026 iPhone – Ralcam F408A","description":"\u003ch2\u003eRalcam F408A — Phone-Connected Articulating Borescope with Built-In Battery\u003c\/h2\u003e\n\u003cp\u003eThe F408A turns your iPhone or Android into a professional inspection camera — without turning your phone into the power supply. The handle carries its own rechargeable battery, so the camera head and the LEDs draw from the scope, not from your phone. Charge it before first use, plug the probe into your phone via USB-C or Lightning, open the free app, and you're looking inside an engine cylinder, pipe, or wall cavity in under 60 seconds — no screen to carry, and no watching your phone drop to 20% halfway through a job.\u003c\/p\u003e\n\u003ch2\u003eKey Specifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eProbe diameter:\u003c\/strong\u003e 5.5 mm (F405A), 6.2 mm (F406A), or 8.5 mm (F408A) — choose at checkout\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eArticulation:\u003c\/strong\u003e 2-Way 180° steering wheel control\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eResolution:\u003c\/strong\u003e 1280×720 HD with 1\/9\" CMOS sensor\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower:\u003c\/strong\u003e Built-in rechargeable battery — recharge via the included USB cable. The scope must be charged and switched on to operate; it runs the camera and LEDs on its own power so your phone's battery is not drained\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIllumination:\u003c\/strong\u003e 6 adjustable high-lumen LEDs\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWaterproof:\u003c\/strong\u003e IP67 — fully sealed against oil, coolant, and water\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCable:\u003c\/strong\u003e 1.5 m flexible, tungsten braid reinforced (20,000+ bend cycles)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatibility:\u003c\/strong\u003e iPhone 13 \/ 14 \/ 15 (Lightning and USB-C), Android USB-C, iPad\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCertifications:\u003c\/strong\u003e CE, FCC, RoHS\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWhere Mechanics Use the F408A\u003c\/h2\u003e\n\u003cp\u003eA gasoline engine mechanic inserts the 6.2 mm probe through the spark plug hole to check piston crown deposits after a misfire code. A plumber pushes the flexible cable around a P-trap to locate a hairline crack without cutting into drywall. An HVAC technician feeds it into a supply duct to confirm whether mold growth has reached the plenum box. In each case, the phone screen serves as the display, the thumb wheel steers the camera tip, and the image is sharp enough to spot a crack 15 mm wide at the tip.\u003c\/p\u003e\n\u003ch2\u003eWhy Choose the F408A Over a Built-In Screen Model\u003c\/h2\u003e\n\u003cp\u003eIf you already carry a phone on the job, the F408A adds almost no weight to your kit. The phone screen is larger and brighter than most built-in borescope displays, and photos and videos save directly to your camera roll for easy sharing with clients or warranty claims. Because the scope is self-powered, your phone stays available for calls, work orders, and photos all day — a phone-powered borescope cannot say the same. For technicians who prefer a standalone unit, the \u003ca href=\"\/products\/auto-inspection-camera-n505\"\u003eN505\u003c\/a\u003e (5\" screen, 2-way) or \u003ca href=\"\/products\/4-articulating-borescope-f606b\"\u003eF606B\u003c\/a\u003e (4.3\" screen, 4-way) are the next steps up.\u003c\/p\u003e\n\u003ch2\u003eBefore Your First Inspection\u003c\/h2\u003e\n\u003cp\u003eCharge the F408A fully with the included USB cable before the first use, then switch it on and connect it to your phone. A scope that will not power on or shows a dark image is almost always a flat battery rather than a fault.\u003c\/p\u003e\n\u003ch2\u003eIn the Box\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eF408A articulating borescope probe and handle\u003c\/li\u003e\n\u003cli\u003eUSB charging cable\u003c\/li\u003e\n\u003cli\u003eUSB-C and Lightning adapters\u003c\/li\u003e\n\u003cli\u003eCarrying case\u003c\/li\u003e\n\u003cli\u003eUser manual (EN)\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Ralcam","offers":[{"title":"8.5mm (0.33in) \/ 1.5m (4.9ft)","offer_id":41881155862624,"sku":"F408A-S1.5M","price":99.99,"currency_code":"USD","in_stock":false},{"title":"5.5mm (0.22in) \/ 1m (3.3ft) Rigid Tube","offer_id":42941207281760,"sku":"F405A-R1M","price":189.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0597\/2017\/1616\/files\/f405a-articulating-borescope-for-smartphone-and-iphone-9013058.jpg?v=1764742115"},{"product_id":"4-articulating-borescope-f606b","title":"4-Way Articulating Borescope – Ralcam F606B","description":"\u003ch2\u003eRalcam F606B — 4-Way Articulating Borescope with 4.3\" Screen\u003c\/h2\u003e\n\u003cp\u003eThe F606B steers its camera tip independently up, down, left and right, so you can round a bend and then look back along the surface you just passed — without withdrawing the probe and starting again. A 4.3\" screen and 4400 mAh battery make it a standalone tool: no phone, no app, six hours on a charge.\u003c\/p\u003e\n\u003ch2\u003eKey Specifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eProbe diameter:\u003c\/strong\u003e 6.2 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eArticulation:\u003c\/strong\u003e 4-way, 360° full-direction control\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eScreen:\u003c\/strong\u003e 4.3\" HD, 1280×720\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInsertion tube:\u003c\/strong\u003e Tungsten wire mesh — 1 m, 2 m, 3 m or custom length\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIllumination:\u003c\/strong\u003e High-lumen LED, adjustable\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWaterproof:\u003c\/strong\u003e IP67 — sealed against water and oil\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBattery:\u003c\/strong\u003e 4400 mAh rechargeable — up to 6 hours continuous\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRecording:\u003c\/strong\u003e Photo and video to TF card, up to 32 GB\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInterface:\u003c\/strong\u003e Multilingual menu\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCertifications:\u003c\/strong\u003e CE, FCC, RoHS\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch2\u003eF606B vs. F606A — Built-In Screen or Your Phone\u003c\/h2\u003e\n\u003cp\u003eIdentical articulation, identical probe options. The \u003ca href=\"\/products\/endoscope-iphone-android-f606a\"\u003eF606A\u003c\/a\u003e uses your phone as the display and saves footage straight to your camera roll, which is faster when you need to send a client a photo from the bay. The F606B carries its own screen and battery, so your phone stays free and the inspection does not stop when a call comes in.\u003c\/p\u003e\n\u003cp\u003eIf you want a larger display, the \u003ca href=\"\/products\/m6x-4-articulating-endoscope\"\u003eM6X\u003c\/a\u003e has a 5\" IPS panel and a replaceable 18650 cell you can swap in the field. If you would rather change probes than buy a second scope, look at the modular \u003ca href=\"\/products\/m506-modular-borescope-interchangeable-probes\"\u003eM506\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch2\u003eIn the Box\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eF606B 4-way articulating borescope\u003c\/li\u003e\n\u003cli\u003eInsertion tube in the diameter and length selected\u003c\/li\u003e\n\u003cli\u003eUSB charging cable\u003c\/li\u003e\n\u003cli\u003eCarrying case\u003c\/li\u003e\n\u003cli\u003eUser manual (EN)\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Ralcam","offers":[{"title":"6.2mm (0.24in) \/ 1m (3.3ft)","offer_id":41810076631136,"sku":"F606B-1M","price":239.99,"currency_code":"USD","in_stock":true},{"title":"6.2mm (0.24in) \/ 2m (6.6ft)","offer_id":42406010814560,"sku":"F606B-S2M","price":269.99,"currency_code":"USD","in_stock":true},{"title":"6.2mm (0.24in) \/ 3m (9.8ft)","offer_id":42406010847328,"sku":"F606B-3M","price":299.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0597\/2017\/1616\/files\/f606b-articulating-borescope-with-6-led-lights-62mm-lens-35-ips-hd-screen-2747392.jpg?v=1764742115"},{"product_id":"ralcam-h406a-iphone-borescope","title":"Smartphone Borescope – Ralcam H406A | 6.2mm Engine Inspection","description":"\u003ch2\u003eRalcam H406A — Detachable Smartphone Borescope with Built-In Battery\u003c\/h2\u003e\n\u003cp\u003eThe H406A uses the same concept as the F408A — phone as your display, probe as the camera, and a rechargeable battery in the handle so none of the power comes out of your phone — but adds one critical feature: a \u003cstrong\u003edetachable probe\u003c\/strong\u003e. The articulating cable separates from the handheld controller, so you can switch between probe diameters, replace a worn probe without buying a new unit, or order custom probe lengths for your specific application.\u003c\/p\u003e\n\n\u003ch2\u003eKey Specifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eProbe diameter:\u003c\/strong\u003e 6.2 mm (H406A) or 8.5 mm (H408A) — choose at checkout\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eArticulation:\u003c\/strong\u003e 2-Way 180° wheel control\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eResolution:\u003c\/strong\u003e 1280×720 HD with 1\/9\" CMOS sensor\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower:\u003c\/strong\u003e Built-in rechargeable battery — recharge via the included USB cable. Charge and switch the unit on before use; it powers the camera and its 10 LEDs itself, leaving your phone's battery for your phone\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIllumination:\u003c\/strong\u003e 10 adjustable LEDs (6 outer ring + 4 inner fill)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWaterproof:\u003c\/strong\u003e IP67 probe head\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCable:\u003c\/strong\u003e 1 m standard; 2 m, 3 m, and custom lengths available as variants\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatibility:\u003c\/strong\u003e iPhone (Lightning and USB-C) and Android (USB-C)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCertifications:\u003c\/strong\u003e CE, FCC, RoHS\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWhere the Detachable Design Makes a Difference\u003c\/h2\u003e\n\u003cp\u003eA mobile mechanic running a fleet account needs different probe lengths for different vehicles — a 1 m cable for under-hood engine checks, a 3 m cable for reaching a diesel truck's far cylinder bank. With the H406A, they carry one handheld controller and swap the probe in seconds at the job site. When a probe tip is damaged after 18 months of daily use, a replacement probe costs a fraction of a new unit. Ten LEDs at full brightness are a heavy draw for a phone port to carry — running them off the scope's own battery is what keeps that light steady through a full day of calls.\u003c\/p\u003e\n\n\u003ch2\u003eH406A vs. F408A — Which One to Choose\u003c\/h2\u003e\n\u003cp\u003eChoose the \u003cstrong\u003eH406A\u003c\/strong\u003e if you need probe interchangeability, plan to use multiple lengths across different jobs, or want to keep replacement costs low long-term. Choose the \u003ca href=\"\/products\/f408a-endoscope-camera-android-iphone\"\u003eF408A\u003c\/a\u003e if you want a simpler one-piece design and primarily work with a single cable length. Both are self-powered and connect to your phone by cable. For a built-in screen option at a similar price point, see the \u003ca href=\"\/products\/ralcam-n308s-car-inspection-camera\"\u003eN308S\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003ch2\u003eBefore Your First Inspection\u003c\/h2\u003e\n\u003cp\u003eCharge the H406A fully with the included USB cable, then switch it on and connect it to your phone. If the app opens but the image stays dark, check the charge level first — a flat battery looks exactly like a failed unit.\u003c\/p\u003e\n\n\u003ch2\u003eIn the Box\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eH406A \/ H408A articulating probe and controller\u003c\/li\u003e\n\u003cli\u003eUSB charging cable\u003c\/li\u003e\n\u003cli\u003eUSB-C and Lightning adapters\u003c\/li\u003e\n\u003cli\u003eCarrying case\u003c\/li\u003e\n\u003cli\u003eUser manual (EN)\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Ralcam","offers":[{"title":"8.5mm (0.33in) \/ 1m (3.3ft)","offer_id":41867846320224,"sku":"H408A-1M","price":119.99,"currency_code":"USD","in_stock":false},{"title":"8.5mm (0.33in) \/ 2m (6.6ft)","offer_id":42407409811552,"sku":"H408A-2M","price":129.99,"currency_code":"USD","in_stock":false},{"title":"8.5mm (0.33in) \/ 3m (9.8ft)","offer_id":42407409844320,"sku":"H408A-3M","price":139.99,"currency_code":"USD","in_stock":false},{"title":"8.5mm (0.33in) \/ Customized","offer_id":42407409877088,"sku":"H408A-C","price":159.99,"currency_code":"USD","in_stock":false},{"title":"6.2mm (0.24in) \/ 1m (3.3ft)","offer_id":41867846352992,"sku":"H406A-1M","price":119.99,"currency_code":"USD","in_stock":false},{"title":"6.2mm (0.24in) \/ 2m (6.6ft)","offer_id":42407409909856,"sku":"H406A-2M","price":129.99,"currency_code":"USD","in_stock":false},{"title":"6.2mm (0.24in) \/ 3m (9.8ft)","offer_id":42407409942624,"sku":"H406A-3M","price":139.99,"currency_code":"USD","in_stock":false},{"title":"6.2mm (0.24in) \/ Customized","offer_id":42407409975392,"sku":"H406A-C","price":159.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0597\/2017\/1616\/files\/h406a-articulating-borescope-compatible-with-android-and-ios-phone-85mm-lens-ip67-waterproof-6628133.jpg?v=1764742115"},{"product_id":"portable-endoscope-n306s","title":"Portable Endoscope – Ralcam N306S | 3.5\" Compact Inspection Camera","description":"\u003ch2\u003eRalcam N306S — Portable Endoscope with 3.5\" Screen\u003c\/h2\u003e\n\u003cp\u003eThe smallest standalone scope in the Ralcam range. A 3.5\" screen, a 6.2 mm probe and a quick-swap battery in a body light enough to hold one-handed for an hour — built for the technician who wants a screen without carrying a 5\" unit around all day.\u003c\/p\u003e\n\n\u003ch2\u003eKey Specifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eProbe diameter:\u003c\/strong\u003e 6.2 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eArticulation:\u003c\/strong\u003e 2-way, 90° viewing angle, one-button probe lock\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eScreen:\u003c\/strong\u003e 3.5\" IPS\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eResolution:\u003c\/strong\u003e 1280×720, 4× digital zoom\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInsertion tube:\u003c\/strong\u003e 1 m rigid tube\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIllumination:\u003c\/strong\u003e High-lumen LED, adjustable\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWaterproof:\u003c\/strong\u003e IP67 — water, oil and dust resistant\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBattery:\u003c\/strong\u003e 2200 mAh removable — up to 3 hours, quick-swap\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRecording:\u003c\/strong\u003e Photo and video to TF card, up to 32 GB\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInterface:\u003c\/strong\u003e Multilingual menu\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCertifications:\u003c\/strong\u003e CE, FCC, RoHS\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWhy the Probe Lock Matters\u003c\/h2\u003e\n\u003cp\u003eHold an articulating probe at an angle for thirty seconds and your thumb starts to drift — which is exactly when the photo blurs. The N306S locks the tip at the angle you set, so the image holds still while you take the shot or adjust the lighting. Paired with the 4× zoom, that is what lets a 3.5\" screen show a crack clearly enough to act on it.\u003c\/p\u003e\n\n\u003ch2\u003eN306S vs. N505 — How Much Screen Do You Need\u003c\/h2\u003e\n\u003cp\u003eBoth are 2-way standalone scopes with removable batteries. The \u003ca href=\"\/products\/auto-inspection-camera-n505\"\u003eN505\u003c\/a\u003e has a 5\" IPS panel, a 1.5 m cable and a 5.5 mm probe option for tighter access. The N306S is smaller, lighter and less expensive, with a 1 m rigid tube — the right choice when the inspection is short, the access is straightforward, and you will be carrying the tool all day.\u003c\/p\u003e\n\u003cp\u003eFor a middle option with a 4.5\" screen and an 8.5 mm probe, see the \u003ca href=\"\/products\/ralcam-f408b-articulating-borescope\"\u003eF408B\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003ch2\u003eIn the Box\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eN306S portable endoscope\u003c\/li\u003e\n\u003cli\u003e6.2 mm probe, 1 m\u003c\/li\u003e\n\u003cli\u003e2200 mAh battery\u003c\/li\u003e\n\u003cli\u003eUSB charging cable\u003c\/li\u003e\n\u003cli\u003eCarrying case\u003c\/li\u003e\n\u003cli\u003eUser manual (EN)\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Ralcam","offers":[{"title":"6.2mm (0.24in) \/ Single Lens \/ 1m (3.3ft) Rigid Tube","offer_id":41810433245280,"sku":"N306-R1M","price":119.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0597\/2017\/1616\/files\/n306-2-way-endoscope-camera-with-6-led-lights-62mm-lens-35-ips-screen-9416850.jpg?v=1764742116"},{"product_id":"ralcam-f408b-articulating-borescope","title":"Portable Articulating Borescope – Ralcam F408B","description":"\u003ch2\u003eRalcam F408B — Portable Articulating Borescope with 4.5\" Screen\u003c\/h2\u003e\n\u003cp\u003eThe F408B is a stand-alone articulating borescope with a large 4.5\" IPS display — bigger than most competitors at this price point. It's designed for mechanics and technicians who want the convenience of a phone-connected scope but prefer to keep a dedicated tool in the workshop rather than plugging into a personal device.\u003c\/p\u003e\n\n\u003ch2\u003eKey Specifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eProbe diameter:\u003c\/strong\u003e 8.5 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eArticulation:\u003c\/strong\u003e 2-Way 210° wheel control\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eScreen:\u003c\/strong\u003e 4.5\" IPS LCD, 854×480 px\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eResolution:\u003c\/strong\u003e 1080p HD camera\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIllumination:\u003c\/strong\u003e 6 adjustable high-lumen LEDs\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWaterproof:\u003c\/strong\u003e IP67 probe head\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCable:\u003c\/strong\u003e 1 m flexible (semi-rigid option on request)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBattery:\u003c\/strong\u003e 4000 mAh \/ approx. 4 hours continuous\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRecording:\u003c\/strong\u003e Photo and video to TF card (card not included)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCertifications:\u003c\/strong\u003e CE, FCC, RoHS\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWho Picks the F408B\u003c\/h2\u003e\n\u003cp\u003eThe F408B suits mechanics who frequently inspect larger-bore access points — diesel pre-chamber ports, industrial pipe joints, or HVAC plenum access panels — where the 8.5 mm probe's wider field of view and brighter image are worth the trade-off in access size. The 4.5\" screen is noticeably larger than the 3.5\" display on the \u003ca href=\"\/products\/portable-endoscope-n306s\"\u003eN306S\u003c\/a\u003e, making it easier to spot hairline cracks or carbon deposits without leaning in.\u003c\/p\u003e\n\n\u003ch2\u003eF408B vs. N505 — Picking the Right Screen Size\u003c\/h2\u003e\n\u003cp\u003eBoth are 2-way articulating, both have built-in screens, and both run independently without a phone. The key difference: the \u003ca href=\"\/products\/auto-inspection-camera-n505\"\u003eN505\u003c\/a\u003e has a 5\" screen and 5.5 mm probe for tighter access, while the F408B has a 4.5\" screen and 8.5 mm probe for wider-bore applications with more light. If probe diameter matters most for your access point, that's the deciding factor.\u003c\/p\u003e\n\n\u003ch2\u003eIn the Box\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eF408B borescope unit\u003c\/li\u003e\n\u003cli\u003eCarrying case\u003c\/li\u003e\n\u003cli\u003eUSB-C charging cable\u003c\/li\u003e\n\u003cli\u003eUser manual (EN)\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Ralcam","offers":[{"title":"8.5mm (0.33in) \/ 1m (3.3ft) Flexible Cable","offer_id":41867959173216,"sku":"F408B-1M","price":168.0,"currency_code":"USD","in_stock":true},{"title":"8.5mm (0.33in) \/ 2m (6.6ft)","offer_id":42982404456544,"sku":"F408B-2M","price":177.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0597\/2017\/1616\/files\/ralcam-f4b-articulating-borescope-45-hd-engine-camera-9686877.jpg?v=1764742115"},{"product_id":"ralcam-c106-usb-endoscope","title":"USB Endoscope – Ralcam C106 | 6.2mm Flexible Engine Inspection","description":"\u003ch2\u003eRalcam C106 — USB Endoscope for iPhone, Android and Tablets\u003c\/h2\u003e\n\u003cp\u003eNo battery to charge, no app to pair. The C106 draws power over USB OTG from your phone, so it works the moment you connect it — and it is the lightest thing in this range to keep in a toolbox for the job you did not plan for.\u003c\/p\u003e\n\n\u003ch2\u003eKey Specifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eProbe diameter:\u003c\/strong\u003e 6.2 mm or 8.5 mm — choose at checkout\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eArticulation:\u003c\/strong\u003e 2-way, 30 mm steering radius\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eResolution:\u003c\/strong\u003e 1280×720\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFocus distance:\u003c\/strong\u003e 15–100 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInsertion tube:\u003c\/strong\u003e 1 m flexible snake tube\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower:\u003c\/strong\u003e USB OTG from the phone it is plugged into — no internal battery\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIllumination:\u003c\/strong\u003e High-lumen LED, adjustable\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWaterproof:\u003c\/strong\u003e IP67 — water and oil resistant\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTransfer:\u003c\/strong\u003e Direct over USB — photos and video save to the connected device\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003ePhone Only — No Wi-Fi, No Computer Display\u003c\/h2\u003e\n\u003cp\u003eThe C106 is a wired phone camera. It works with iPhone and iPad as well as Android phones and tablets, and displays through the free companion app; it has no Wi-Fi and is not designed to display on a laptop or desktop computer. Photos and video save to your phone or tablet, so you can transfer them to a computer afterwards if you need to.\u003c\/p\u003e\n\n\u003ch2\u003eThe Case for No Battery\u003c\/h2\u003e\n\u003cp\u003eEvery scope with a screen has a battery that will be flat on the morning you need it. The C106 has none — it borrows power from a phone you have already charged. That also makes it the cheapest way to put a genuine 2-way articulating probe in every van in a fleet, rather than three technicians sharing one good scope.\u003c\/p\u003e\n\u003cp\u003eThe trade-off: you need a free hand for the phone, and you are limited to the 1 m cable. For deeper reaches or hands-free work, a screen model is the better tool.\u003c\/p\u003e\n\n\u003ch2\u003eC106 vs. F408A — Reach and Probe Options\u003c\/h2\u003e\n\u003cp\u003eBoth connect to a phone. The \u003ca href=\"\/products\/f408a-endoscope-camera-android-iphone\"\u003eF408A\u003c\/a\u003e adds a 1.5 m cable, three probe diameters down to 5.5 mm, and a rigid-tube option for when the probe needs to hold a shape. The C106 is the simpler, lighter, lower-cost option for straightforward inspections.\u003c\/p\u003e\n\u003cp\u003eIf you want to swap probe lengths without buying a second unit, the \u003ca href=\"\/products\/ralcam-h406a-iphone-borescope\"\u003eH406A\u003c\/a\u003e has a detachable probe.\u003c\/p\u003e\n\n\u003ch2\u003eIn the Box\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eC106 USB endoscope with the probe diameter selected\u003c\/li\u003e\n\u003cli\u003eUser manual (EN)\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Ralcam","offers":[{"title":"6.2mm (0.24in) \/ 1m (3.3ft) Flexible Cable","offer_id":41999772614752,"sku":"C106-1M","price":79.99,"currency_code":"USD","in_stock":false},{"title":"8.5mm (0.33in) \/ 1m (3.3ft) Flexible Cable","offer_id":42405786058848,"sku":"C108-1M","price":69.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0597\/2017\/1616\/files\/C1.webp?v=1764742115"},{"product_id":"ralcam-r406s-endoscope-automotive","title":"Automotive Endoscope – Ralcam R406S | 4.3\" HD Inspection","description":"\u003ch2\u003eRalcam R406S — Automotive Endoscope for Engine Inspection\u003c\/h2\u003e\n\u003cp\u003eThe R406S is built for one job: getting a clear look inside an assembled engine without pulling it apart. A 6.2 mm semi-rigid probe goes in through the spark plug hole or intake port, and the 4.3\" screen puts the cylinder wall, piston crown and valve seats in front of you while both hands stay on the tool.\u003c\/p\u003e\n\n\u003ch2\u003eKey Specifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eProbe diameter:\u003c\/strong\u003e 6.2 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eArticulation:\u003c\/strong\u003e 2-way, 30 mm steering radius\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eScreen:\u003c\/strong\u003e 4.3\" HD\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eResolution:\u003c\/strong\u003e 1280×720\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFocus distance:\u003c\/strong\u003e 20–100 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInsertion tube:\u003c\/strong\u003e 1 m semi-rigid — holds its shape once bent\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIllumination:\u003c\/strong\u003e High-lumen LED, adjustable\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWaterproof:\u003c\/strong\u003e IP67 — water and oil resistant\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRecording:\u003c\/strong\u003e Photo and video to TF card, up to 32 GB\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWhy Semi-Rigid Matters in an Engine Bay\u003c\/h2\u003e\n\u003cp\u003eA fully flexible cable coils on itself the moment it meets resistance — fine in a drain, frustrating when you are trying to push past a valve spring. The R406S's semi-rigid tube holds whatever curve you set, so you can pre-bend it to clear an obstruction on the way in and it stays there.\u003c\/p\u003e\n\u003cp\u003ePaired with the 20–100 mm focus range, that means you can park the tip 30 mm off a piston crown and actually read the deposit pattern rather than guess at a blur. For a shop diagnosing a misfire code, that is the difference between confirming carbon buildup on the spot and booking a teardown to find out.\u003c\/p\u003e\n\n\u003ch2\u003eR406S vs. N308S — Probe Diameter Decides\u003c\/h2\u003e\n\u003cp\u003eBoth are 2-way semi-rigid automotive scopes with built-in screens. The R406S is 6.2 mm — narrow enough for tight spark plug access on smaller petrol engines. The \u003ca href=\"\/products\/ralcam-n308s-car-inspection-camera\"\u003eN308S\u003c\/a\u003e offers 8.5 mm at 1600×1200 with 2 m and 3 m cable options, which suits diesel and truck cylinders where the port is wider and the reach is longer.\u003c\/p\u003e\n\u003cp\u003ePick by access point first: resolution is no help if the probe will not fit. If you want a 5\" screen and a battery you can swap mid-shift, see the \u003ca href=\"\/products\/auto-inspection-camera-n505\"\u003eN505\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003ch2\u003eIn the Box\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eR406S automotive endoscope\u003c\/li\u003e\n\u003cli\u003e6.2 mm semi-rigid probe, 1 m\u003c\/li\u003e\n\u003cli\u003eUSB charging cable\u003c\/li\u003e\n\u003cli\u003eCarrying case\u003c\/li\u003e\n\u003cli\u003eUser manual (EN)\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Ralcam","offers":[{"title":"6.2mm (0.24in) \/ 1m (3.3ft) Semi-Rigid Cable","offer_id":42405120245856,"sku":"R406-S1M","price":139.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0597\/2017\/1616\/files\/ralcam-r406-2-way-articulating-borescope-with-43-screen-8644992.webp?v=1764742115"},{"product_id":"ralcam-n308s-car-inspection-camera","title":"Car Inspection Camera – Ralcam N308S | 8.5mm Engine Inspection","description":"\u003ch2\u003eRalcam N308S — Car Inspection Camera with 8.5 mm Probe\u003c\/h2\u003e\n\u003cp\u003eAt 1600×1200 the N308S resolves finer detail than most inspection cameras in its class — enough to tell a hairline crack from a scratch on a cylinder wall. The 8.5 mm semi-rigid probe trades a little access for a wider field of view and more light, which is the right trade on diesel cylinders, larger bores, and used-car checks where you are looking for what the seller did not mention.\u003c\/p\u003e\n\n\u003ch2\u003eKey Specifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eProbe diameter:\u003c\/strong\u003e 8.5 mm or 6.2 mm — choose at checkout\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eArticulation:\u003c\/strong\u003e 2-way, 90°±3° steering\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eResolution:\u003c\/strong\u003e 1600×1200\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFocus distance:\u003c\/strong\u003e 30–70 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInsertion tube:\u003c\/strong\u003e Semi-rigid — 1 m, 2 m or 3 m\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIllumination:\u003c\/strong\u003e High-lumen LED, adjustable\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWaterproof:\u003c\/strong\u003e IP67 — dust, water and oil resistant\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRecording:\u003c\/strong\u003e Photo and video to TF card, up to 32 GB\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eBuying a Used Car — or Defending a Quote\u003c\/h2\u003e\n\u003cp\u003eHidden oil leaks, corrosion in a cylinder, a valve seated badly after a rebuild: these are the things a compression test hints at and a camera confirms. Technicians use the N308S to document condition before money changes hands — photos and video go to the TF card, and that file becomes the evidence in a quote, a warranty claim, or a conversation with a customer who does not believe the engine needs work.\u003c\/p\u003e\n\u003cp\u003eThe 3 m cable option is what makes a long diesel cylinder bank reachable from a single access point instead of repositioning for every cylinder.\u003c\/p\u003e\n\n\u003ch2\u003eN308S vs. R406S — Which Diameter\u003c\/h2\u003e\n\u003cp\u003eThe \u003ca href=\"\/products\/ralcam-r406s-endoscope-automotive\"\u003eR406S\u003c\/a\u003e is 6.2 mm and gets into tighter spark plug holes on smaller petrol engines. The N308S is 8.5 mm with higher resolution and longer cable options, better suited to diesel, truck and heavy-equipment work.\u003c\/p\u003e\n\u003cp\u003eChoose by access point before resolution — a sharper sensor is no use if the probe will not go in. For a standalone 4.5\" screen with an 8.5 mm probe, see the \u003ca href=\"\/products\/ralcam-f408b-articulating-borescope\"\u003eF408B\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003ch2\u003eIn the Box\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eN308S car inspection camera\u003c\/li\u003e\n\u003cli\u003eSemi-rigid probe in the diameter and length selected\u003c\/li\u003e\n\u003cli\u003eUSB charging cable\u003c\/li\u003e\n\u003cli\u003eCarrying case\u003c\/li\u003e\n\u003cli\u003eUser manual (EN)\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Ralcam","offers":[{"title":"8.5mm (0.33in) \/ 1m (3.3ft) Semi-Rigid Cable","offer_id":42225880367200,"sku":"N308-S1M","price":109.99,"currency_code":"USD","in_stock":false},{"title":"8.5mm (0.33in) \/ 3m (9.8ft) Semi-Rigid Cable","offer_id":42405949800544,"sku":"N308-S3M","price":126.53,"currency_code":"USD","in_stock":false},{"title":"6.2mm (0.24in) \/ 1m (3.3ft) Semi-Rigid Cable","offer_id":42405949833312,"sku":"N306-S1M","price":119.0,"currency_code":"USD","in_stock":false},{"title":"6.2mm (0.24in) \/ 2m (6.6ft) Semi-Rigid Cable","offer_id":42405949866080,"sku":"N306-S2M","price":127.78,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0597\/2017\/1616\/files\/n306-2-way-endoscope-camera-with-6-led-lights-62mm-lens-35-ips-screen-9416850.jpg?v=1764742116"},{"product_id":"auto-inspection-camera-n505","title":"Automotive Inspection Camera – Ralcam N505 | 2-Way Borescope","description":"\u003ch2\u003eRalcam N505 — Automotive Inspection Camera with 5\" Screen\u003c\/h2\u003e\n\u003cp\u003eThe N505 pairs the largest screen in the 2-way range with a battery you can replace in the field. When the 18650 cell runs down at hour four, you swap in a spare and keep working — no waiting for a charge, no cutting the job short. A 5.5 mm probe option gets it into access points most 2-way scopes cannot reach.\u003c\/p\u003e\n\n\u003ch2\u003eKey Specifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eProbe diameter:\u003c\/strong\u003e 5.5 mm or 6.2 mm — choose at checkout\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eArticulation:\u003c\/strong\u003e 2-way, 180° steering with damping lens and one-button probe lock\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eScreen:\u003c\/strong\u003e 5\" IPS, wide viewing angle\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eZoom:\u003c\/strong\u003e 4× digital magnification\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInsertion tube:\u003c\/strong\u003e 1.5 m — resilient metal cable or semi-rigid, customisable to 3 m\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIllumination:\u003c\/strong\u003e High-lumen LED, adjustable\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWaterproof:\u003c\/strong\u003e IP67 — water and oil resistant, with high-temperature protection\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBattery:\u003c\/strong\u003e Removable 4400 mAh 18650 cell\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRecording:\u003c\/strong\u003e Photo and 720p video to TF card, up to 32 GB\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperating range:\u003c\/strong\u003e −10°C to 50°C, humidity below 90%\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInterface:\u003c\/strong\u003e Multilingual menu — EN, DE, FR, ES, RU, JA, KO, ZH\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eThe Replaceable Battery Is the Point\u003c\/h2\u003e\n\u003cp\u003eMost inspection cameras seal the battery inside. When it degrades after two years of daily charging, the tool degrades with it — and a scope that only lasts ninety minutes is a scope you stop trusting on long jobs. The N505 takes a standard 18650 cell. Carry two, swap in seconds, and replace them for the price of a coffee when they eventually wear out.\u003c\/p\u003e\n\u003cp\u003eThe same thinking applies to the probe: 1.5 m as standard, customisable to 3 m, with magnets, mirrors and protective caps available to adapt the tip to the job.\u003c\/p\u003e\n\n\u003ch2\u003eN505 vs. F408B — Screen Size or Probe Diameter\u003c\/h2\u003e\n\u003cp\u003eBoth are 2-way standalone scopes. The N505 has the larger 5\" screen, a replaceable battery and a 5.5 mm probe option for tight access. The \u003ca href=\"\/products\/ralcam-f408b-articulating-borescope\"\u003eF408B\u003c\/a\u003e has a 4.5\" screen and an 8.5 mm probe, which gathers more light and gives a wider field of view on larger bores.\u003c\/p\u003e\n\u003cp\u003eIf your access point is narrow, the N505's 5.5 mm option decides it. If you mostly work on diesel pre-chambers or industrial pipe joints, the F408B's wider probe is the better read. For a smaller, lighter unit on straightforward jobs, see the \u003ca href=\"\/products\/portable-endoscope-n306s\"\u003eN306S\u003c\/a\u003e. For independent four-way tip control, the \u003ca href=\"\/products\/4-articulating-borescope-f606b\"\u003eF606B\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003ch2\u003eIn the Box\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eN505 automotive inspection camera with 5\" IPS screen\u003c\/li\u003e\n\u003cli\u003eProbe in the diameter and cable type selected, 1.5 m\u003c\/li\u003e\n\u003cli\u003e4400 mAh 18650 battery\u003c\/li\u003e\n\u003cli\u003eUSB charging cable\u003c\/li\u003e\n\u003cli\u003eCarrying case\u003c\/li\u003e\n\u003cli\u003eUser manual (EN)\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Ralcam","offers":[{"title":"5.5mm (0.22in) \/ 1.5m (4.9ft) Resilient metal cable","offer_id":42405118804064,"sku":"N505-1.5M","price":149.99,"currency_code":"USD","in_stock":true},{"title":"6.2mm (0.24in) \/ 1.5m (4.9ft) Semi-rigid cable","offer_id":42991885484128,"sku":null,"price":138.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0597\/2017\/1616\/files\/n505-2-way-articulating-engine-borescope-5-screen-waterproof-inspection-camera-6652170.webp?v=1764742116"},{"product_id":"endoscope-iphone-android-f606a","title":"Endoscope for iPhone \u0026 Android – Ralcam F606A | 4-Way","description":"\u003ch2\u003eRalcam F606A — 4-Way Articulating Borescope for iPhone and Android\u003c\/h2\u003e\n\u003cp\u003eThe F606A gives you full 4-way 360° articulation through your phone — the same independent up\/down\/left\/right joystick control found on professional industrial borescopes, delivered through the screen you already carry in your pocket. The controller runs on its own rechargeable batteries, so your phone is the display and nothing more: no power drawn from it, no battery anxiety in the middle of an inspection.\u003c\/p\u003e\n\n\u003ch2\u003eKey Specifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eProbe diameter:\u003c\/strong\u003e 6.2 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eArticulation:\u003c\/strong\u003e 4-Way 360° universal rocker control\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eResolution:\u003c\/strong\u003e 1280×720 HD\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower:\u003c\/strong\u003e Two rechargeable 4400 mAh batteries included, for up to 6 hours of continuous use. Charge before first use — the F606A runs the camera, LEDs, and articulation on its own battery so your phone's charge is left untouched\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIllumination:\u003c\/strong\u003e 6 adjustable LEDs with high-temperature protection to 90°C\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWaterproof:\u003c\/strong\u003e IP67 probe head — oil, coolant, and water sealed\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCable:\u003c\/strong\u003e 1 m flexible (2 m variant available)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatibility:\u003c\/strong\u003e iPhone and Android via USB-C or Lightning\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCertifications:\u003c\/strong\u003e CE, FCC, RoHS\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWhy 4-Way Articulation Changes What You Can See\u003c\/h2\u003e\n\u003cp\u003eA 2-way borescope steers in one axis. When you need to look sideways at a cylinder wall, or navigate around a bend and then look up at the top of a valve seat, you have to withdraw and reinsert to reposition. The F606A's 4-way joystick lets you steer the camera tip independently in any direction without moving the probe body. An aviation MRO technician checking turbine blade trailing edges, or a mechanic inspecting an intake port from inside a cylinder, uses that control to cover the full surface in a single pass.\u003c\/p\u003e\n\n\u003ch2\u003eF606A vs. F606B — Phone Display or Built-In Screen\u003c\/h2\u003e\n\u003cp\u003eBoth are self-powered, both have 4-way articulation, and both use identical probe specs — the difference is only where you look. The \u003ca href=\"\/products\/4-articulating-borescope-f606b\"\u003eF606B\u003c\/a\u003e carries a 4.3\" built-in screen and a 4400 mAh battery, so it works as a completely standalone unit with no phone involved. The F606A ships with two 4400 mAh batteries of its own and uses your phone purely as the monitor, saving photos and video straight to your camera roll. Choose the F606A if you prefer travelling light and sharing inspection footage instantly; choose the F606B if you want to keep your phone in your pocket and carry a dedicated inspection device.\u003c\/p\u003e\n\n\u003ch2\u003eBefore Your First Inspection\u003c\/h2\u003e\n\u003cp\u003eCharge a battery fully before the first use and keep the second one in the case as a spare — swapping takes seconds and gives you a second shift of runtime without waiting for a charge.\u003c\/p\u003e\n\n\u003ch2\u003eIn the Box\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eF606A 4-way articulating borescope with handheld controller\u003c\/li\u003e\n\u003cli\u003eTwo rechargeable 4400 mAh batteries\u003c\/li\u003e\n\u003cli\u003eUSB charging cable\u003c\/li\u003e\n\u003cli\u003eUSB-C and Lightning adapters\u003c\/li\u003e\n\u003cli\u003eCarrying case\u003c\/li\u003e\n\u003cli\u003eUser manual (EN)\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Ralcam","offers":[{"title":"6.2mm (0.24in) \/ 1m (3.3ft) Flexible Cable","offer_id":42405836488800,"sku":"F606A-1M","price":249.99,"currency_code":"USD","in_stock":false},{"title":"6.2mm (0.24in) \/ 2m (6.6ft) Flexible Cable","offer_id":42716485353568,"sku":"F606A-2M","price":269.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0597\/2017\/1616\/files\/f604a-4-way-articulating-borescope-39mm-hd-engine-inspection-camera-9682803.webp?v=1764742115"},{"product_id":"automotive-inspection-camera-h406b","title":"Automotive Inspection Camera – Ralcam H406B | 4.3\" Borescope","description":"\u003cp\u003eSomething in there needs looking at, and you can't get your eyes to it — a rattle behind the dash, a drain that won't clear, a wall you'd rather not cut open. The H406B puts a camera and its own light wherever you point it, and shows you what's down there on a 4.3\" screen in your hand. No phone. No app. No pairing.\u003c\/p\u003e\n\n\u003ch2\u003eWhich probe should you pick?\u003c\/h2\u003e\n\n\u003cp\u003eIt's the only real decision at checkout, and it takes ten seconds.\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e6.2 mm — for tight spots.\u003c\/strong\u003e Goes down a spark plug hole, into a gearbox, through a door cavity or a wiring grommet. Pick this if most of what you inspect is on a vehicle.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e8.5 mm — for a brighter picture.\u003c\/strong\u003e A wider head has room for more light, so it lights up a drain, a duct, a chimney or a wall void far better. Pick this if most of what you inspect is around the house.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eBoth come on a 2 m semi-rigid cable: push it in and it holds the shape you gave it, instead of flopping around the way a fully flexible cable does. Still not sure? Email \u003ca href=\"mailto:marketing@ralcam.com\"\u003emarketing@ralcam.com\u003c\/a\u003e and tell us what you're trying to look at — we'll tell you which one, even if it's the cheaper one.\u003c\/p\u003e\n\n\u003ch2\u003eThe probe wears out. The scope shouldn't.\u003c\/h2\u003e\n\n\u003cp\u003eThe probe on the H406B detaches from the handset. That matters more than it sounds.\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eNeed a different diameter?\u003c\/strong\u003e Buy a probe, not a second scope.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNeed more reach?\u003c\/strong\u003e Longer probes go up to 3 m on request. Same handset.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTip damaged after two years?\u003c\/strong\u003e Probe tips take the heat, the oil and the sharp edges — that's their job. When one finally gives out, you replace the part that wore out, not the whole tool.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eA replacement probe costs a fraction of a complete scope. Email us with your order number and we'll send the right one.\u003c\/p\u003e\n\n\u003ch2\u003eThe specs, and what they mean for you\u003c\/h2\u003e\n\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eProbe diameter\u003c\/th\u003e\n\u003ctd\u003e\n\u003cstrong\u003e6.2 mm or 8.5 mm\u003c\/strong\u003e — detachable, chosen at checkout. 6.2 mm fits a spark plug hole; 8.5 mm has more room for LEDs, so it lights a drain better.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eArticulation\u003c\/th\u003e\n\u003ctd\u003e\n\u003cstrong\u003e2-way, 180°\u003c\/strong\u003e — the tip bends in one plane, and the damping knob holds the angle when you let go. Rotate the probe body to reach any direction.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eScreen\u003c\/th\u003e\n\u003ctd\u003e\n\u003cstrong\u003e4.3\" IPS\u003c\/strong\u003e — true colour, so carbon reads as carbon and not as shadow. Big enough to read at arm's length while your other hand works the probe.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eResolution\u003c\/th\u003e\n\u003ctd\u003e\n\u003cstrong\u003e1280×720 \/ 1920×1080\u003c\/strong\u003e — enough to tell a carbon deposit from a scratch. It's an inspection camera, not a microscope.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFocus range\u003c\/th\u003e\n\u003ctd\u003e\n\u003cstrong\u003e20–100 mm\u003c\/strong\u003e — sharpest about a thumb's length from the lens. Closer than that and it goes soft.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eLighting\u003c\/th\u003e\n\u003ctd\u003e\n\u003cstrong\u003e6 LEDs, adjustable\u003c\/strong\u003e — turn it \u003cem\u003edown\u003c\/em\u003e inside a shiny cylinder, or everything blows out white. Most people leave it on full and wonder why the picture is bad.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWaterproof\u003c\/th\u003e\n\u003ctd\u003e\n\u003cstrong\u003eIP67 — the probe only.\u003c\/strong\u003e You can rinse the probe under a tap and dip it in water, coolant or oil. \u003cstrong\u003eThe handset is not waterproof. Keep the screen dry.\u003c\/strong\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eThermal cutout\u003c\/th\u003e\n\u003ctd\u003e\n\u003cstrong\u003eShuts down above 85 °C\u003c\/strong\u003e — put the probe somewhere too hot and it powers itself off rather than cooking the sensor. Let engines cool before you inspect them.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eBattery\u003c\/th\u003e\n\u003ctd\u003e\n\u003cstrong\u003e2600 mAh, up to 3.5 hours\u003c\/strong\u003e continuous. Enough for an afternoon under the bonnet. Charges over USB-C — the same cable as your phone.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eStorage\u003c\/th\u003e\n\u003ctd\u003ePhotos and video to a \u003cstrong\u003emicroSD card up to 32 GB\u003c\/strong\u003e. Pull the card or plug in the USB-C cable to get files onto a computer.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCertifications\u003c\/th\u003e\n\u003ctd\u003eCE · FCC · RoHS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eIs the H406B the right one for you?\u003c\/h2\u003e\n\n\u003cp\u003eFour scopes in the range cover the same jobs in different ways. Here's the honest split.\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003ca href=\"\/products\/automotive-inspection-camera-h406b\"\u003eH406B\u003c\/a\u003e — this one.\u003c\/strong\u003e Choose it if you want one tool that works on its own and lets you change probes later. 4.3\" screen, 2-way steering.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003ca href=\"\/products\/ralcam-h406a-iphone-borescope\"\u003eH406A\u003c\/a\u003e — same idea, your phone is the screen.\u003c\/strong\u003e Choose it if your phone is always in your pocket and you'd rather not carry a second display. Probes are interchangeable with the H406B.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003ca href=\"\/products\/auto-inspection-camera-n505\"\u003eN505\u003c\/a\u003e — bigger screen, swappable battery.\u003c\/strong\u003e Choose it if you want a 5\" display and a replaceable 18650 cell you can swap in the field instead of stopping to charge.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003ca href=\"\/products\/4-articulating-borescope-f606b\"\u003eF606B\u003c\/a\u003e — steers in four directions.\u003c\/strong\u003e Choose it if you need to drive the tip up, down, left and right independently to get around a corner, rather than bending in one plane.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWhat's in the box\u003c\/h2\u003e\n\n\u003cul\u003e\n\u003cli\u003eH406B handset with 4.3\" IPS screen\u003c\/li\u003e\n\u003cli\u003eDetachable probe in the diameter and length you selected\u003c\/li\u003e\n\u003cli\u003eUSB-C charging cable\u003c\/li\u003e\n\u003cli\u003eHardshell carrying case\u003c\/li\u003e\n\u003cli\u003eUser manual (EN)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWarranty, returns and support\u003c\/h2\u003e\n\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e1-year warranty\u003c\/strong\u003e covering the handset and the probe. We're factory-direct, so warranty support is handled in-house — email your order number and we'll make it right.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e30-day returns.\u003c\/strong\u003e Used it and it's not for you? Send it back for a full refund on the item. No restocking fee, free return shipping within the US.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShips from our US warehouse.\u003c\/strong\u003e Most orders leave the same business day. Free shipping on orders over $119 within the United States.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eA person answers.\u003c\/strong\u003e Email \u003ca href=\"mailto:marketing@ralcam.com\"\u003emarketing@ralcam.com\u003c\/a\u003e — usually within one business day.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eQuestions\u003c\/h2\u003e\n\n\u003ch3\u003eBefore you buy\u003c\/h3\u003e\n\n\u003cp\u003e\u003cstrong\u003e6.2 mm or 8.5 mm — which do I need?\u003c\/strong\u003e\u003cbr\u003e\n6.2 mm for tight bores: spark plug holes, gearboxes, door cavities, anywhere access is the constraint. 8.5 mm when you want the brightest possible picture in a bigger space: drains, ducts, wall voids, chimneys. If you're buying it mainly for a car, take the 6.2 mm.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eWill the picture be clear enough to spot a crack?\u003c\/strong\u003e\u003cbr\u003e\nFor the kind of thing you'd act on — carbon build-up, a scored cylinder wall, a cracked pipe, a blockage, a dropped bolt — yes. Hold the lens about a thumb's length from what you're looking at and turn the LEDs down if the surface is shiny. It is not a metrology instrument; it won't measure a hairline crack for you.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eDo I need a phone or an app?\u003c\/strong\u003e\u003cbr\u003e\nNo. The H406B has its own screen and its own battery and works straight out of the box. If you'd rather use your phone as the display, the \u003ca href=\"\/products\/ralcam-h406a-iphone-borescope\"\u003eH406A\u003c\/a\u003e does exactly that.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eSemi-rigid or flexible cable — what's the difference?\u003c\/strong\u003e\u003cbr\u003e\nSemi-rigid bends and then holds the shape you give it, so you can route it around components in an engine bay and keep the shot steady. Flexible follows existing curves, which suits drains and ducts. The H406B ships with semi-rigid as standard.\u003c\/p\u003e\n\n\u003ch3\u003eUsing it\u003c\/h3\u003e\n\n\u003cp\u003e\u003cstrong\u003eThe picture is washed out and white — what do I do?\u003c\/strong\u003e\u003cbr\u003e\nTurn the LEDs down. Shiny metal reflects the light straight back into the lens. This fixes nine out of ten \"bad image\" reports.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eThe lens fogs up or looks hazy.\u003c\/strong\u003e\u003cbr\u003e\nUsually condensation from moving between a cold engine bay and a warm room — give it a minute or two to acclimatise and it clears. If the haze stays, it's residue on the lens: wipe it with a soft cloth. And on a brand-new unit, check you've removed the protective cap from the camera head and the film from the screen.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eCan I put the probe in water, oil or coolant?\u003c\/strong\u003e\u003cbr\u003e\nThe probe, yes — it's IP67. The handset, no. Rinse and wipe the probe afterwards; a cloth lightly dampened with isopropyl alcohol handles oil and grease. Don't use solvents, they attack the lens and the seal.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eHow do I get the photos onto my computer?\u003c\/strong\u003e\u003cbr\u003e\nEither pull the microSD card and use a card reader, or connect the handset over USB-C.\u003c\/p\u003e\n\n\u003ch3\u003eShipping and support\u003c\/h3\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhere does it ship from and how long does it take?\u003c\/strong\u003e\u003cbr\u003e\nFrom our US warehouse. You'll see an estimated delivery date on this page below the buy button, and a tracking number by email as soon as it's dispatched. We also ship to Canada, the UK, Germany and most of Europe — all prices are DDP, so duties and taxes are already included and there's nothing to pay on arrival.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eHow do I claim the warranty?\u003c\/strong\u003e\u003cbr\u003e\nEmail us with your order number and a short description or a photo. We're the manufacturer, so there's no third party in the middle.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eCan I buy a spare probe later?\u003c\/strong\u003e\u003cbr\u003e\nYes — that's the point of the detachable design. Email us with your order number and we'll send the right probe for your handset.\u003c\/p\u003e\n\n\u003ch2\u003eSee it in use\u003c\/h2\u003e\n\n\u003cul\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/www.youtube.com\/@ralcamborescope\" rel=\"nofollow noopener noreferrer\" target=\"_blank\"\u003eRalcam Borescope on YouTube\u003c\/a\u003e — real inspections, unedited footage\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Ralcam","offers":[{"title":"6.2mm (0.24in) \/ 2m (6.6ft) Semi-Rigid Cable","offer_id":42405787828320,"sku":"H406B-S2M","price":149.99,"currency_code":"USD","in_stock":true},{"title":"8.5mm (0.33in) \/ 2m (6.6ft) Semi-Rigid Cable","offer_id":42405787959392,"sku":"H408B-S2M","price":129.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0597\/2017\/1616\/files\/h406b-borescope-with-43-hd-screen-and-6-adjustable-led-lights-ip67-waterproof-8777421.jpg?v=1764742115"},{"product_id":"m6x-4-articulating-endoscope","title":"4-Way Articulating Endoscope – Ralcam M6X | 5\" IPS Screen","description":"\u003ch2\u003eRalcam M6X — Professional 4-Way Articulating Borescope with 5\" IPS Screen\u003c\/h2\u003e\n\u003cp\u003eThe M6X is built for inspections where a 2-way scope runs out of reach. A professional-grade joystick bends the probe tip independently up, down, left and right, so you can steer around a bend and then look back along the wall you just passed — without withdrawing and reinserting the probe.\u003c\/p\u003e\n\n\u003ch2\u003eKey Specifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eProbe diameter:\u003c\/strong\u003e 6.2 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eArticulation:\u003c\/strong\u003e 4-way joystick control\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eScreen:\u003c\/strong\u003e 5\" IPS, 1280×720, true-colour with wide viewing angle\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInsertion tube:\u003c\/strong\u003e Semi-rigid, 1.5 m — holds its shape once bent\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIllumination:\u003c\/strong\u003e High-lumen LED at the probe tip, adjustable\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWaterproof:\u003c\/strong\u003e IP67, plus high-temperature protection\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBattery:\u003c\/strong\u003e 4400 mAh 18650 — up to 4 hours continuous\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRecording:\u003c\/strong\u003e Photo and video to TF card, up to 32 GB\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDetachable probe:\u003c\/strong\u003e Yes — probe separates from the handset\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWhere the 5\" Screen Earns Its Place\u003c\/h2\u003e\n\u003cp\u003eAn aviation MRO technician inspecting turbine blade trailing edges needs to spot a hairline crack on a curved, reflective surface — the extra screen area over a 4.3\" unit is the difference between confirming a finding on the spot and pulling the engine for a second look. A maintenance engineer walking a client through a gearbox inspection can hold the M6X where both of them can see it. And because the display is IPS rather than TN, the image doesn't wash out when you tilt the unit to reach an awkward angle.\u003c\/p\u003e\n\n\u003ch2\u003eM6X vs. F606B — Screen Size and Battery\u003c\/h2\u003e\n\u003cp\u003eBoth are 4-way articulating with a 6.2 mm probe option. The \u003ca href=\"\/products\/4-articulating-borescope-f606b\"\u003eF606B\u003c\/a\u003e has a 4.3\" screen, a 3.9 mm probe option for tight spark plug access, and a 6-hour battery. The M6X trades some runtime for a 5\" IPS display and a replaceable 18650 cell you can swap in the field rather than waiting to recharge. If probe access is your constraint, the F606B's 3.9 mm option decides it; if you spend the day reading fine detail on screen, the M6X does.\u003c\/p\u003e\n\n\u003ch2\u003eM6X vs. M506 — Fixed or Modular\u003c\/h2\u003e\n\u003cp\u003eSame 5\" screen, same 4-way articulation, same 6.2 mm probe. The \u003ca href=\"\/products\/m506-modular-borescope-interchangeable-probes\"\u003eM506\u003c\/a\u003e adds a tool-free quick-release so you can swap probes — including an optional thermal imaging probe — without buying a second unit. Choose the M6X if you work with one probe configuration; choose the M506 if your jobs vary or you want the thermal upgrade path open.\u003c\/p\u003e\n\n\u003ch2\u003eApplications\u003c\/h2\u003e\n\u003cp\u003eEngine diagnostics without disassembly, aviation turbine and airframe maintenance, pipe and HVAC inspection, weld and casting inspection, and quality assurance across manufacturing and MRO.\u003c\/p\u003e\n\n\u003ch2\u003eIn the Box\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eM6X borescope with 5\" IPS screen\u003c\/li\u003e\n\u003cli\u003e6.2 mm semi-rigid probe, 1.5 m\u003c\/li\u003e\n\u003cli\u003e4400 mAh 18650 battery\u003c\/li\u003e\n\u003cli\u003eUSB charging cable\u003c\/li\u003e\n\u003cli\u003eCarrying case\u003c\/li\u003e\n\u003cli\u003eUser manual (EN)\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Ralcam","offers":[{"title":"6.2mm (0.24in) \/ 1.5m (4.9ft)","offer_id":42422775218272,"sku":"M606X-S1.5M","price":359.99,"currency_code":"USD","in_stock":false},{"title":"6.2mm (0.24in) \/ 1m(3.3ft)","offer_id":43119484076128,"sku":"M606X-S","price":339.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0597\/2017\/1616\/files\/M6X_4-Way_Articulating_Inspection_Camera_for_Auto_Repair.webp?v=1776927634"},{"product_id":"new-uv-crack-detection-m608u","title":"UV Crack Detection Borescope – Ralcam M608U 4-Way Articulating","description":"\u003ch2\u003eRalcam M608U UV Crack Detection Borescope\u003c\/h2\u003e\u003cp\u003eThe Ralcam M608U is a professional UV inspection borescope built to make hairline cracks, weld defects and fluorescent-dye leaks visible where standard cameras fall short. Its built-in UV illumination causes penetrant dye to fluoresce, so flaws stand out clearly on the screen during NDT (non-destructive testing), automotive, aerospace and HVAC inspections.\u003c\/p\u003e\u003ch3\u003eWhy technicians choose the M608U\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eUV crack \u0026amp; leak detection\u003c\/strong\u003e – UV light makes fluorescent penetrant and dye-tracer leaks pop, ideal for weld inspection and refrigerant leak tracing.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e4-way 360° articulation\u003c\/strong\u003e – steer the tip precisely around bends and into cavities for a full view of the inspection area.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e5-inch HD display\u003c\/strong\u003e – a large, bright screen shows fine detail without connecting a phone.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDetachable probe\u003c\/strong\u003e – swap or replace the cable quickly to suit different jobs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e8.5mm waterproof probe\u003c\/strong\u003e – an IP67-rated camera head that withstands oil, water and dust in harsh environments.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhere it works\u003c\/h3\u003e\u003cp\u003eEngine and cylinder inspection, weld and casting flaw detection, aircraft and turbine maintenance, pipe and HVAC leak tracing, and any task where surface cracks must be confirmed before failure.\u003c\/p\u003e","brand":"Ralcam","offers":[{"title":"8.5mm (0.33in) \/ 1m (3.3ft)","offer_id":42430707400800,"sku":"M608U-1M","price":709.4,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0597\/2017\/1616\/files\/M608U.webp?v=1765607535"},{"product_id":"m506-modular-borescope-interchangeable-probes","title":"Ralcam M506 Modular Borescope – Interchangeable Probes, 5\" HD","description":"\u003ch2\u003eThe Modular Inspection Camera Built for Professionals\u003c\/h2\u003e\n\u003cp\u003eStop carrying multiple scopes for different jobs. The M506 Modular Borescope System centralizes your inspection workflow with one ergonomic handle and an ever-growing ecosystem of interchangeable probes — no tools, no downtime, maximum flexibility.\u003c\/p\u003e\n\n\u003ch3\u003e🔧 Tool-Free Modular Probe System\u003c\/h3\u003e\n\u003cp\u003eSwap probes in seconds. The M506's quick-release mechanism accepts multiple probe types, including the ultra-compact 6.2mm articulating probe and an optional thermal imaging probe (sold separately, enabled via software upgrade). One platform adapts to every job site.\u003c\/p\u003e\n\n\u003ch3\u003e🎯 Precise 4-Way 360° Articulation\u003c\/h3\u003e\n\u003cp\u003eNavigate tight bends and complex cavities with confidence. The stainless steel control lever delivers smooth, precise, long-lasting articulation — no play, no sticking, engineered to last.\u003c\/p\u003e\n\n\u003ch3\u003e📺 5\" HD Display\u003c\/h3\u003e\n\u003cp\u003eSee every detail clearly on the large built-in 5\" HD screen. 3-level adjustable brightness, 4× digital zoom, and 180° image rotation adapt to any lighting condition or inspection angle.\u003c\/p\u003e\n\n\u003ch3\u003e🌡️ Thermal Imaging Ready\u003c\/h3\u003e\n\u003cp\u003eUnlock thermal imaging with a simple software upgrade (thermal probe sold separately). Instantly identify overheated components, hidden moisture, or insulation failures — ideal for building technology, HVAC, and electrical maintenance.\u003c\/p\u003e\n\n\u003ch3\u003e📸 One-Touch Capture\u003c\/h3\u003e\n\u003cp\u003ePress once for a photo. Hold 3 seconds to start video recording. The dedicated quick-capture button keeps documentation effortless on the job.\u003c\/p\u003e\n\n\u003ch3\u003e🔥 High-Temperature Protection\u003c\/h3\u003e\n\u003cp\u003eBuilt-in overheat protection activates at ≥90°C, keeping you and your equipment safe in demanding environments.\u003c\/p\u003e\n\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDisplay:\u003c\/strong\u003e 5\" IPS, 3-level adjustable brightness, 180° image rotation\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eResolution:\u003c\/strong\u003e 1280×720 HD\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProbe Diameter:\u003c\/strong\u003e 6.2 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eArticulation:\u003c\/strong\u003e 4-way, 360° full-direction control\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDigital Zoom:\u003c\/strong\u003e 4×\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIllumination:\u003c\/strong\u003e High-lumen LED (adjustable)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRecording \/ Storage:\u003c\/strong\u003e Photo \u0026amp; video; supports up to 32GB TF card\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProtection:\u003c\/strong\u003e IP67 waterproof \u0026amp; oilproof; high-temperature protection (≥90°C)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBattery:\u003c\/strong\u003e 4400mAh rechargeable\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProbe Length:\u003c\/strong\u003e 1.5m (standard)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperating Temperature:\u003c\/strong\u003e −10°C to 50°C\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cem\u003eBy RALCAM — Professional Inspection Solutions\u003c\/em\u003e\u003c\/p\u003e","brand":"Ralcam","offers":[{"title":"6.2mm (0.24in) \/ 1.5m (4.9ft)","offer_id":42781236592736,"sku":"M506-S1.5M","price":439.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0597\/2017\/1616\/files\/M506.webp?v=1780296197"}],"url":"https:\/\/www.ralcam.com\/collections\/automotive-borescope-cameras.oembed","provider":"Ralcam","version":"1.0","type":"link"}