Sewer Cleaner, Plumbers & Drain, Schonstedt, Magnetic Locator Tools, Pipe Inspection Camera Tools XT 512 Camera Head & Sonde Locator Works with Sondes and Cameras to quickly locate pipe and blockages Specifications Operating Frequency: 512Hz plus 50/60Hz passive detection Battery: 9 V single battery Battery Life: 18 hrs intermittent use LCD Display: 3 1/2 digit reflective, signal strength, directional arrows, battery status, volume and depth on sonde/camera and passive Controls: ON/Volume adjustment, OFF, DEPTH, SONDE, AUTO GAIN, UP gain, DOWN gain, PASSIVE Dimensions: Unit extended: 26 in (~66 cm); unit collapsed: 15.5 in (~39 cm) Weight: Under 2.5 Lbs Share Print Brochures and More Brochure Manual