UT682D Wire TrackerUT682 wire tracker consists of a transmitter and a receiver, it is able to track ethernet/telephone/power cables without opening their insulation. UT682 can troubleshoot ethernet cables and is a recommended tool for debugging communication cables and audio/video cables. Applications:It can used to test continuity and check polarity on telephone lines. Specifications Wire tracking features :wire types Telephone line\twisted pair\electric wireTelephone lines tracking distance ?3000mPolarity indication for telelphone lines DCV function, range:±(5V~52V) Telephone lines and LAN cables distinction Jacks distinction Transmitter output voltage 8V DC with a new batteryTransmitter power supply 9V battery Receiver power supply 9V battery Max receiver standby current ~10mA Max receiver operating current