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Labor Day Sale · Save Up to $40 on Select Borescopes · Shop Now Labor Day Sale · Up to $40 Off · Shop Now

2-Way Articulating Borescope Series – Flexible and Accurate

Two-way steering handles most of the job. Ralcam's 2-way articulating borescopes bend the camera tip through 210° up and down — enough to clear a bend, angle onto a cylinder wall, or turn into a branch line.

Ralcam articulating borescope with 3.3ft flexible cable and smartphone display inspecting pipes
RALCAM articulating borescope with smartphone showing aircraft engine inspection and carrying case
$99.99 - $189.00
$99.99 - $189.00
$99.99 - $189.00
$99.99

Endoscope Camera for Android & iPhone – Ralcam F408A

Ralcam
Low stock

Ralcam F408A — Phone-Connected Articulating Borescope The F408A turns your iPhone or Android into a professional inspection camera. Plug the probe ...

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$99.99 - $189.00
$99.99 - $189.00
$99.99 - $189.00
$99.99
RALCAM 5-inch screen waterproof articulating engine borescope with flexible cable and carrying case
$119.99 - $128.88
$119.99 - $128.88
$119.99 - $128.88
$119.99

Automotive Inspection Camera – Ralcam N505 | 2-Way Borescope

Ralcam
In stock

Ralcam N505 — Automotive Inspection Camera with 5" Screen The N505 pairs the largest screen in the 2-way range with a battery you can replace in th...

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$119.99 - $128.88
$119.99 - $128.88
$119.99 - $128.88
$119.99
Articulating borescope with 85mm lens attached to smartphone showing engine inspection, compatible with iPhone, Android, and iPad
Articulating borescope with flexible cable, handheld controller, smartphone display showing gears, and carrying case Sold out
$119.99 - $159.99
$119.99 - $159.99
$119.99 - $159.99
$119.99

Smartphone Borescope – Ralcam H406A | 6.2mm Engine Inspection

Ralcam
Out of stock

Ralcam H406A — Detachable Smartphone Borescope The H406A uses the same concept as the F408A — phone as your display, probe as the camera — but adds...

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$119.99 - $159.99
$119.99 - $159.99
$119.99 - $159.99
$119.99
Sold out
Ralcam borescope with 4.3-inch HD screen, 1.5m flexible cable, 6 adjustable LED lights, 180° wheel control
Industrial borescope with 4.3-inch HD screen, 6 adjustable LED lights, flexible cable, and carrying case
$119.99 - $149.99
$119.99 - $149.99
$119.99 - $149.99
$119.99

Automotive Inspection Camera – Ralcam H406B | 4.3" Borescope

Ralcam
In stock

Ralcam H406B — Detachable Automotive Inspection Camera The H406B separates the probe from the handset. Swap between a 6.2 mm and an 8.5 mm probe fo...

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$119.99 - $149.99
$119.99 - $149.99
$119.99 - $149.99
$119.99
2-way 210° flexible engine inspection endoscope with 6.2mm semi-rigid cable and silicone wheel controls
RALCAM handheld 2-way endoscope camera with 6 LED lights, flexible cable, and carrying case
Sold out
$119.00 - $119.00
$119.00
$119.00 - $119.00
$119.00

Portable Endoscope – Ralcam N306S | 3.5" Compact Inspection Camera

Ralcam
Out of stock

Ralcam N306S — Portable Endoscope with 3.5" Screen The smallest standalone scope in the Ralcam range. A 3.5" screen, a 6.2 mm probe and a quick-swa...

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$119.00 - $119.00
$119.00
$119.00 - $119.00
$119.00
Sold out
210° bi-directional articulating borescope with 4.3-inch screen inspecting engine components
RALCAM R406 2-way articulating borescope with 4.3-inch screen showing gear image and carrying case
$139.99 - $139.99
$139.99
$139.99 - $139.99
$139.99

Automotive Endoscope – Ralcam R406S | 4.3" HD Inspection

Ralcam
In stock

Ralcam R406S — Automotive Endoscope for Engine Inspection The R406S is built for one job: getting a clear look inside an assembled engine without p...

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$139.99 - $139.99
$139.99
$139.99 - $139.99
$139.99
RALCAM handheld 2-way endoscope camera with 6 LED lights, flexible cable, and carrying case
Sold out
$109.99 - $127.78
$109.99 - $127.78
$109.99 - $127.78
$109.99

Car Inspection Camera – Ralcam N308S | 8.5mm Engine Inspection

Ralcam
Out of stock

Ralcam N308S — Car Inspection Camera with 8.5 mm Probe At 1600×1200 the N308S resolves finer detail than most inspection cameras in its class — eno...

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$109.99 - $127.78
$109.99 - $127.78
$109.99 - $127.78
$109.99
Sold out
Black RALCAM handheld digital microscope with smartphone displaying detailed metal gears
Sold out
$69.99 - $79.99
$69.99 - $79.99
$69.99 - $79.99
$69.99

USB Endoscope – Ralcam C106 | 6.2mm Flexible Engine Inspection

Ralcam
Out of stock

Ralcam C106 — USB Endoscope for Phone and Laptop No battery to charge, no app to pair. The C106 draws power over USB OTG from whatever it is plugge...

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$69.99 - $79.99
$69.99 - $79.99
$69.99 - $79.99
$69.99
Sold out
Ralcam articulating borescope with 6.6ft semi-rigid cable and 180° wheel control for bending in narrow spaces
RALCAM articulating borescope with HD screen showing engine piston, flexible camera cable, and carrying case
$168.00 - $177.00
$168.00 - $177.00
$168.00 - $177.00
$168.00

Portable Articulating Borescope – Ralcam F408B

Ralcam
In stock

Ralcam F408B — Portable Articulating Borescope with 4.5" Screen The F408B is a stand-alone articulating borescope with a large 4.5" IPS display — b...

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$168.00 - $177.00
$168.00 - $177.00
$168.00 - $177.00
$168.00

When 2-Way Articulation Is Enough

Two-way is the most widely used borescope design for a reason. A single lever or wheel controls the tip, so you steer with one hand while you push with the other. For automotive engine checks, drain and pipe runs, and HVAC service, that is almost always the control you actually need — and it costs considerably less than a 4-way joystick platform.

Sizing

Camera diameters run 5.5 mm, 6.2 mm, and 8.5 mm across this series, on cables from 1 m to 3 m in flexible, semi-rigid, and rigid form. Semi-rigid is the default recommendation: it holds the curve you set, which is what keeps the tip pointed at the cylinder wall instead of sagging into the bore.

Screen or phone

Models here come both ways — built-in screens from 3.5" to 5" for standalone work, or USB probes that turn an iPhone or Android into the display for a lighter kit.

When to step up

If you need to look back along a surface, sweep a combustion chamber methodically, or navigate a compound bend, the tip has to move left and right too — that is 4-way articulation.

All probes are IP67 rated with adjustable LED illumination for oily, wet, and dusty work.

Choosing the Right Borescope

What is 2-way articulation and what can I inspect with it?

2-way articulation bends the camera tip in one plane (typically up and down); you rotate the whole probe to reach any side. That's enough to sweep most cylinder walls, valves, welds and pipe interiors. A probe lock holds your angle for a steady, sharp shot.

Is 2-way enough, or should I step up to 4-way?

For most automotive, plumbing and general inspection, 2-way covers it — steer in one plane and rotate the probe to reach any angle. Choose 4-way (joystick) only for frequent tight, multi-bend paths such as turbine internals, where rotating the whole probe is impractical.

Which 2-way model and probe size should I pick?

6.2mm is the all-round standard (H406B, N5, R406S, N308S); go 8.5mm for a brighter, wider view where the opening allows, or 3.9–5.5mm for narrow bores. Match cable length — 1m for general work, 2–3m for deep reach — and choose semi-rigid cable for engine bays.

FAQ

What is a borescope and what is it used for?

A borescope is an inspection camera designed to access hard-to-reach areas. It is widely used for automotive diagnostics, pipe inspection, HVAC maintenance, and industrial applications.

How do I choose the right borescope?

Choosing the right borescope depends on your needs. Key factors include probe diameter, cable length, articulation (2-way or 4-way), and whether you need a standalone screen or smartphone connection.

What industries are your inspection cameras suitable for?

Our borescopes are used across multiple industries, including:

  • Automotive repair
  • Plumbing and drainage
  • HVAC inspection
  • Construction and maintenance
  • Industrial equipment inspection
How long does the battery last?

Battery life depends on the model, but most standalone borescopes provide 3–5 hours of continuous use on a full charge.

Which borescope is best for beginners?

For beginners, we recommend starting with a model that has a built-in screen and simple controls. These models do not require additional setup and are easier to operate.

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