The Triplett CTX590A Tone and Probe Kit is a high quality wire locating tool to quickly trace various types of unenergized cable including electrical wire, twisted pair, LAN, multi-conductor, telephone, alarm and others. An insulated probe tip prevents short circuits. It features adjustable sensitivity, audible and visual notification, and Tip/Ring/Continuity testing. Includes (2) 9V batteries, RJ45, RJ11, and Alligator clip connectors and case. 1-year warranty.