Description: This professional telephone and network cable tracking system, consisting of receiver and emitter, enables you to find where a cable is laid and whether or not. And, if so, whether there are any breaks points in the line. Features: 1. Trace telephone wire/LAN cable 2. Trace wire in electrical system 3. Verify LAN cable condition 4. Continuity test 5. Low Battery Indication 6. Bright white LED flash light 7. Cable Assignment Test: Open, short and cross of LAN cable, 2-wire (RJ11)/4-wire (RJ45) Telephone cable 8. Cable State Testing (2-wire) - Line DC detecting and anode, cathode determination - Ringing signal detecting -Open, short and cross test. Specification: * Powered by DC 9V battery (for both receiver and emitter). * The max working current: emitter: * Signal output electric status: 8Vp-p * Signal transmission format: multi-frequency impulse * Distance of signal transmission: >=3km * Appearance dimension: 175*42*27mm(receiver); 126*49*34 (emitter) * Color: Orange Package Included: Cable Transmitter x1 Cable Receiver/Tracker x1 RJ45 Cable x 1 RJ11 Cable x1 Cable with crocodile clamp x 1 9V Battery x2 Earphone x 1 Instruction manual x 1 Bag X 1