Professional pipe swer plumbing inspection camera with 20/30/40meter cable for pipe sewer ... DVR recording, 12 LEDs WITSON Professional 20/30/40meter Pipe Plumbing Inspection camera for pipe sewer inspection Pipeline Inspection System W3 ... , Drain, Sewer, Duct, Chimneys, Machinery and Building Inspection; Maintenance of Plumbing and Wiring behind walls Camera Specifications:Color CCD Camera, 60 ...