Use the Triplett Wiremaster Coaxial Cable Mapper to identify coaxial cables in CCTV security and surveillance systems, broadcast TV, and cable TV (F adaptors required). Identify any pair of shielded or unshielded wires such as audio, video, and phone lines with appropriate adapters. Includes 8 remotes, padded carrying case, BNC male-to-male adapter and 9-volt battery.