1. Cable Tester for UTP STP RJ45 RJ11;2. Automatic efficient scan for the miss wiring, disorder cable, open and short circuit;3. BNC test available(Adapter needed);4. Remotely test cable up to 1000 ft in length ( remote kit included );5. Protective power switch for low power consumption;Color: orangematerial: plastic6. protecive case provides more secure protection;7. continuity of the cables or wires;8. Track the cables or wires, and diagnose the point;9. Receiver the tone signal on the cables or wires (telephone line);10.Identify the state in the working telephone line (clear ring, );11.Send a single solid tone or a dual alternating tone to the object cables or wires.Working current:Emiter: 10mA Receiver: 30mASignal transfe mode: Digital signalSignal output level: 8Vp-pSignal transfer distance: 3KmDimension:Transmitter: 126x49x34mm Reveiver:175x42x25mmPower: by 2 x DC 9V BatteryPackage Contents:1 x Cable Emitter1 x Cable Receiver1 x RJ11 Cable1 x RJ45 Cable1 x Earphone1 x Cable with Clamp2 x Battery1 x Manual