UNI T Network Tester Wire Tracker UT682D consists of a transmitter and a receiver. This UT-682D wiring tracker is able to track ethernet/telephone/power cables without opening their insulation. This line finder can troubleshoot ethernet cables and is a recommended tool for debugging communication cables and audio/video cables. This cable network detector is used to test continuity and check polarity on telephone lines. Features: Consists of a transmitter and a receiver. Able to track ethernet/telephone/power cables without opening their insulation. For troubleshooting ethernet cables. for debugging communication cables and audio/video cables. High-quality material product. Specifications: Wire types: Telephone line\twisted-pair\electric wire Telephone lines tracking distance: ≥3000m Polarity indication for telephone lines: DCV function, range: ±(5V~52V) Telephone lines and LAN cables distinction: Jacks distinction Transmitter output voltage: 8V DC with a new battery Transmitter power supply: 9V battery Receiver power supply: 9V battery Max receiver standby current: ~10mA Max receiver operating current: <40mA (AC, RMS) Transmitter  input voltage protection: 60V DC Operating temperature: 0~40℃ Storage temperature: -10~50℃ Operating humidity: 20~75%RH Storage humidity: 10~90%RH Altitude: ≤2000m Product color: Red and grey Product net weight: Transmitter-150g, Receiver-130g Product size: Transmitter-74mm x 68mm x 28mm, receiver-208mm x 47mm x 33mm Uses Locating network cable faults Testing telephone and LAN cables Identifying cable wiring and connections Troubleshooting network installations Maintenance of communication and data networ Package Include: 1 x  UNI T Network Tester Wire Tracker UT682D