Extech CT20 Remote and Local Continuity Tester green

One person operation for wire and cable testing, Transmitter with output cables terminated in modular RJ11 phone connector, Remote continuity with the use of the remote probe, Flashing remote probe two lead, bi color (red/green) LED probe allows a single user to identify up to three wires or cables at a time, Lightweight and pocket sized, clips on and hangs from the cable(s) under test without falling off