The Extech’s HDV650W-30G Wireless 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 HDV650W 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 HDV650W30G wireless kit allows to view the transmitted images and videos up to 100 ft (30 m) away. The Extech HDV650W-30G is ideal for inspecting P-traps, 90s, drains, pipeline runs, and more.