The Extech’s HDV650-30G Plumbing Videoscope Kit reveals problems with its large, waterproof, rugged, high definition color display and a 30 m snake with 25 mm diameter camera head. The Extech HDV650 30G has built-in bright lights that help illuminate the problem area deep within the pipelines. The camera probe is rugged enough to dislodge small clogs. The Extech HDV65030G is ideal for inspecting P-traps, 90s, drains, pipeline runs, and more.