Kolsol F02 Underground Cable Wire Locator Tracker Lan With Earphone Easily Locate Wires And Cables Pet Fence Wires Control Wires 1. Helpful-Locating & tracking buried and hidden wires and other hidden-wires.Only for Wires & Cables,Not for Sprinkler Valves!! 2. 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!!!) 3. Locate-Determining Which Receptacles are on specific circuitstrack-Pinpointing Drill Sites before drilling 4. Wire tracer range-Up to 3 feet deep and 1000 feet in length 5. WARNING: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