Commander I Mainline Camera is designed for 3" - 10" Pipe. It is available from 200 ft - 300 ft. The Commander I is an all-in-one design for easier transportation. The Commander I Includes a 512hz Sonde/Transmitter, 7" Color LCD Monitor with Inverting Screen, Wifi Connection so you can record to a mobile device. The Commander I has a 1.29" Diameter Stainless Steel Camera Head with a protective skid. The Commander I is covered under our 4 Year Warranty. The warranty will cover all manufacture defects ( Parts & Labor ).