Sperry Instruments ET64220 Lan Tracker Wire Tracer
A must-have tester for audio/video installers and data com technicians.  Multi-purpose wire tracer offers quick connect attachments to easily connect transmitter to wires such as coax, CAT 5, speaker, phone, or any non-energized (non-live) wires.  Adjustable sensitivity positively identifies a single wire when multiple wires are routed in close proximity.  Features both audible and visual indication.  Receiver nests into transmitter for secure transportation and storage.  Operates from (2) AAA batteries (transmitter) and (4) LR44 batteries (receiver) - batteries included in package.  Auto off function included with transmitter saves battery life.  10 foot drop and 250 pound crush rated.