Features: Cable Tester for UTP STP RJ45(manual switch) Automatic efficient scan for the miss wiring, disorder cable, open and short circuit . TEL BNC test available(Adapter needed) .Remotely test cable up to 1000 ft in length ( remote kit included ). Protective power switch for low power consumption . High quality protecive case provides more secure protection . Judge continuity of the cables or wires . Track the cables or wires, and diagnose the break point . Receiver the tone signal on the cables or wires (telephone line) .Identify the state in the working telephone line (clear ring, busy). Send a single solid tone or a dual alternating tone to the object cables or wires .Specification: Power supply: DC 9V battery(not include). Working current: Tester: ≤20mA Receiver: ≤150mA. Signal transfe mode: Digital signal. Signal output level: 8Vp-p. Signal transfer distance: ≥3Km Dimension:Transmitter: 130x60x33mm Reveiver:210x35x25mm.Package Including: 1 x Cable Transmitter. 1 x Cable Receiver/Tracker . 1 x RJ45 Cable . 1 x RJ11 Cable . 1 x Cable with crocodile clamp. 1 x Earphone.1 x Instruction manual.