67156 Store Categories Features: 1 Judge continuity of cable or wires 2 Track the cable or wires and diagnose the break point 3 Rceiver the tone signal on the cable or wires (telephone line) 4 Identify the states in the networking telephone line(clear,ring,busy) 5 Sender a signal solid tone or dual alternation tone to the object cables or wires Descriptions: 1 This cable tracker is designed to identify and trace wires or cables within a group without damaging the insulation 2 The Line Finder testes physical connection status of network cable,such as open circuit,short connection,miswire and reverse connection 3 Owning this instrument,it is more convenien to install ,debug,and maintain telephone line,there are a sender and a receiver included in the cable tracker