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Klein Tools® ET18 Plumber's Borescope

Model number
ET18

The Klein Tools ET18 is a USB-C plumber's borescope featuring a 5.5 mm IP67-rated camera on a 5 ft (1.5 m) armored gooseneck cable with 6 LED lights. The built-in 4.3-inch color LCD displays 720p camera footage with digital zoom and records still images and video. The rechargeable lithium-ion battery provides up to 3 hours of runtime. Designed for plumbing inspections, drain line assessment, and confined-space work in electrical, HVAC, and aircraft applications. Includes hook, magnet, and mirror accessories and a carrying case. Covered by Klein Tools' 1-year limited warranty.

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Model no.
ET18
Brand
Klein Tools
Category
Borescope
Canonical URL
/klein-tools/borescope/et18-klein-tools-plumbers-borescope/
Official page kleintools.com →
14 spec rows · each row is anchorable

§ Specifications

#specifications
Product Type
Borescope
Camera Diameter Mm
5.5
Probe Length M
1.5
Probe Length Ft
5
Resolution Pixels
720p
Wifi
No
Display Included
Yes
Waterproof Rating
IP67 (camera only)
Led Count
6
Battery Type
Lithium-ion rechargeable
Overall Length In
6.55
Assembled Weight Oz
8.6
Barcode (UPC)
092644694639
Warranty
1-year limited

§ What's Included

01 Borescope unit
02 5.5 mm camera probe with 5 ft cable
03 USB cable
04 Magnet attachment
05 Hook attachment
06 Mirror attachment
07 Carrying case

§ Warranty

1-year limited

§ FAQ

What makes the ET18 specifically designed for plumbing?

The ET18 uses a 5 ft (1.5 m) armored gooseneck cable rather than a flexible unarmored cable. The armor provides rigidity to push the camera through pipe bends in drain lines, cleanouts, and P-traps without kinking — critical for navigating plumbing systems where an unarmored cable would buckle.

Can the ET18 be used in drain water?

The IP67-rated camera head and cable are rated for temporary submersion in 1 meter of water for 30 minutes — suitable for standing water in drain sections, flooded cleanouts, and submerged fittings. Dry thoroughly after use.

How does the 5 ft armored probe compare to the ET17's 10 ft flexible cable?

The ET17's 10 ft flexible cable reaches deeper into wall cavities and long conduit runs. The ET18's 5 ft armored cable sacrifices depth for the stiffness needed in plumbing pipe navigation. Choose ET18 for plumbing drain inspection; ET17 for general utility, conduit, and wall-cavity work.

Does the ET18 need a phone to display video?

No — the ET18 is fully standalone with a built-in display and rechargeable lithium-ion battery. No phone connection or app is required.

What resolution and lighting does the ET18 provide?

720p resolution from a 5.5 mm camera with 6 built-in LEDs — identical specs to the ET17. The key difference between the two is cable construction (armored vs. flexible) and probe length, not image quality.