The Extech HDV750 is a specialized plumbing inspection kit built around the HDV700 display and featuring a rugged 28mm diameter forward-viewing camera probe on a 30-meter (98 ft) fiberglass cable. Designed for drain, sewer, and pipe inspections, it includes a probe length locator and spool system for precise depth tracking. The 150° ultra-wide field of view and IP67 waterproof rating enable clear imaging in wet, dark, and confined pipe systems—ideal for municipal, commercial, and residential plumbing diagnostics.