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