Best Inspection Cameras for Plumbers

Best phone-based optionKlein Tools ET20 WiFi Borescope

Best probe flexibilityTeslong NTS300 Industrial Endoscope

Best dual-view optionDEPSTECH DS520 Dual-Lens Inspection Camera

Best for M12 usersMilwaukee 2323-21 M12 M-SPECTOR 360 4-Foot Inspection Camera Kit

These are short-range inspection cameras, not complete sewer-camera systems. The Milwaukee pick is the 2323-21 M-SPECTOR 360 kit; the earlier 2317 reference described a different product.

HOW TO CHOOSE

What matters for the work

Access before image resolution

Probe diameter, cable length and flexibility decide whether the camera can reach the area. Measure the available opening and buy the exact probe variant needed; a high pixel count cannot overcome an inaccessible route.

Viewing versus evidence

CA-25 emphasizes direct viewing. The other formats offer different capture workflows. If photographs are needed for a customer or report, verify storage and export rather than assuming every display camera records.

Check the complete kit

Phone compatibility matters for ET20. NTS300 and DS520 come in different camera and cable configurations. A probe's water-resistance rating does not make its screen, battery or entire assembly submersible.

We compared manufacturer specifications and documented features. We have not hands-on tested these products. Read our recommendation method →

Detailed picks

Useful differences, meaningful drawbacks and the specifications behind each recommendation.

OPTION 1

Simple short-range choice

RIDGID

micro CA-25 Handheld Inspection Camera

Best for: Service plumbers who need fast, short-range visual inspection without relying on a phone or app.

The RIDGID micro CA-25 is a straightforward handheld inspection camera designed for short-range visual checks in places you cannot easily see. It uses a fixed 4-foot cable with a 17 mm waterproof camera head, adjustable LEDs and a built-in 2.7-inch color screen, so there is no phone pairing or separate display to set up on a service call.

For plumbers who want a rugged, simple camera for looking behind fixtures, inside wall cavities, under appliances or into short accessible pipe runs, the CA-25 is easy to understand and quick to deploy. Its biggest limitation is equally clear: the 4-foot cable is fixed and not extendable, so this is not a drain-line inspection system for long runs.

Self-contained 2.7-inch color screen
Simple controls with no app pairing
Waterproof camera head and cable to 4 feet

Display: 2.7-inch color LCD, 320 × 240
Camera head: 17 mm aluminum
Cable reach: 4 ft / 1.2 m, fixed

Main tradeoff: Fixed 4-foot cable is not extendable

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Check the exact model and kit in the listing.

OPTION 2

Best phone-based option

Klein Tools

ET20 WiFi Borescope

Best for: Service plumbers who already use a phone for job records and want camera output close to that documentation workflow.

Choose the ET20 when saving and sharing a close-up inspection on your phone is more useful than carrying a separate screen. It is a Wi-Fi borescope for localized access checks, not a sewer survey camera. The key buying question is whether you want your phone to be part of the diagnostic kit on every relevant call.

A practical phone-based shortlist option for accessible fittings, cavities and short inspection tasks. For a plumber who prefers to switch on a self-contained tool and work immediately, the RIDGID or Milwaukee approach may suit better. If you choose the ET20, check the Klein Borescope app on your own phone before purchase; we have not tested current app compatibility.

Phone-based saving and sharing
9 mm probe for localized access
Armored 6-foot gooseneck

Camera: 640 × 480; 9 mm head
Cable: 6 ft / 1.8 m
Display: Compatible smartphone and Klein Borescope app

Main tradeoff: Phone and app are part of the tool setup

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Check the exact model and kit in the listing.

OPTION 3

Best probe flexibility

Teslong

NTS300 Industrial Endoscope

Best for: Plumbers who want a standalone recording camera and need a choice of probe size, reach or viewing direction.

The NTS300 is a self-contained inspection camera whose main advantage in this shortlist is probe choice. Teslong sells several lens, diameter and cable-length configurations, so 'NTS300' alone is not enough to identify the kit. Choose around the access route and viewing direction you need, then check the exact bundle.

Our probe-flexibility option for plumbers who need a dedicated display and inspection records. A dual-lens kit can be worth investigating when a forward-only view cannot answer the question, but it should not be bought merely because it sounds more advanced. Match the probe to your recurring work rather than choosing the longest cable by default.

Dedicated 5-inch screen
Multiple documented probe configurations
Photo and video recording

Monitor: 5-inch; 854 × 480 display
Dual-lens probe options: 5.5 mm or 8 mm; verify bundle
Listed cable options: 1 m, 3 m or 5 m; configuration dependent

Main tradeoff: Specifications depend on the selected probe

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Check the exact model and kit in the listing.

OPTION 4

Best dual-view option

DEPSTECH

DS520 Dual-Lens Inspection Camera

Best for: Service plumbers needing forward and side views in accessible cavities or short, suitable inspection routes.

The DS520 dual-lens format is worth considering when you need both a forward view and a view beside the probe. It is a self-contained camera family with several cable and lens variants. We would choose it for an identifiable access problem, not call it a compact or professional sewer camera solely from the marketing name.

A useful dual-view candidate for localized plumbing inspection, provided the exact kit is checked before ordering. The attraction is the viewing arrangement and independent monitor. A long semi-rigid cable should not be treated as proof of usable reach through a real drain, and this review does not establish field durability or blockage-navigation performance.

Forward and side lenses on the documented dual-lens probe
Independent monitor in DS520 screen kits
Split-view option on the documented screen model

Reviewed variant: DS520 dual-lens family; confirm SKU
Probe diameter: 7.9 mm (documented dual-lens cable)
Probe protection: IP67

Main tradeoff: Lens count and cable length vary by kit

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Check the exact model and kit in the listing.

OPTION 5

Best for M12 users

Milwaukee

2323-21 M12 M-SPECTOR 360 4-Foot Inspection Camera Kit

Best for: Existing M12 users wanting a self-contained short-reach camera with photo/video recording.

For a plumber already using M12 tools, the current 2323-series M-SPECTOR 360 is the Milwaukee option to investigate for localized inspection and recording. Our original shortlist mixed a 2317 reference with the M-SPECTOR 360 name. This review corrects that to the manufacturer-documented 2323-21 kit; tool-only listings must be checked separately.

A coherent battery-platform choice when your kit already uses M12 and you want a separate screen and image records. Its short reach keeps the recommendation focused on localized work. We would not buy it as a replacement for a dedicated drain camera, or choose it solely to start a new battery platform for one inspection tool.

4.3-inch independent display
Photos and videos shared via SD card
Physical and digital image rotation

Reviewed kit: 2323-21; 2323 series
Display: 4.3-inch LCD
Camera: 720p; 10 mm head

Main tradeoff: 4-foot cable limits the job category