DESC: The Wire Tracker generates distinct tone usable for wire and cable Tracing. Direct connection to RJ-11 and co-axial jacks, automotive fuse sockets, and exposed,unenergized wires. Five Year Warranty. The transmitter is a compact, hand-held instrument designed to generate a distinct tone in any unenergized wire or cable. Tone can be picked up with the Wire Tracker receiver. An LED acts as a visual indicator to show that the unit is on.702086 Sh. Wt. 1 lb.