Check the listing for details. UNI-T UT682 Network Wire Tester Ethernet/Telephone/Power cables Tracker RJ11/45. Condition: Brand New. Listed at 35.95 USD. UNI-T UT682 Network Wire Tester Tracker RJ11 RJ45 Wire Line Finder Line Tester Handhold Cable Testing Tool for Network Maintenance UT682 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. Specification:SpecificationsRangeUT682Wire tracking featuresWire typesLAN cable Telephone line Coaxial cable Electric wireIndication light for signal strength√Live switchboard wire tracing√Switchboard wire tracing distance≥100mTelephone lines tracking distance≥3000mUnshielded cables tracking distance ≥320mShielded cables tracking distance ≥320mOpen and short circuit test√Polarity indication fortelelphone linesDCV function, range:±(5V~52V)√Telephone lines and LAN cables distinctionJacks distinction√Broken wire tracking√Transmitter output voltage≥12V peak-peakTransmitter low battery indication6.6V±0.5VTransmitter power supply9V batteryNot included for air shippingMax transmitter working current25mAHeadphone jack for receiver√Receiver power supply9V battery√Max receiver standby current~10mA√Max receiver operating current