Product Feature: You can find wires and cables with a length of 500 meters and a depth of 0.5 meters. It can detect the direction and positioning of cables in underground, walls and pipes. A receiving antenna is installed on the receiver, with a 1-meter-long wire clip LED lighting configuration, the work is more powerful and more convenient to find lines. Time and Money Saver: Helpful-Locating & tracking buried and hidden wires.No more calls,no more cost, find and fix it by yourself. How to Use: Easily Locate Pet Fence Wires, Metal Wires, Metal Pipes, Electrical Wires, ect ( only for single-strand wire, or double-strand wire in parallel, not for multistrand wire ) Where You Can Locate: Locate-Determining Which Receptacles are on specific circuits,track-Pinpointing Drill Sites before drilling. Range of Parameters: Wire tracer range-Up to 2-3 feet deep and 1000 feet in length. Tips: Do not use on live circuits to avoid damaging the Tester This device is mainly to locate non-energized Cable, or low-voltage situation less than 24V. Product Specifications: Power supply: DC 9V battery, power consumption is 15mA Maximum operating current transmitter: less than 10mA Maximum operating current receiver: less than 30mA Signal transmission format: multi-frequency pulse Signal output level: 8Vp-p Testable wires: twisted pair, video wire, telephone wire, ordinary metal wire Length range for finding wires: 1-305 meters Package Lists: 1 X Underground Cable Locator 1 X Manual 2 X 9V battery 1 X Earphone