4 in 1 Network Cable Tester LAN Cable Continuity Testing for RJ11 RJ45 USB BNC Line Remote Cable Test
Special Features
- Detect continuity of the cable or wire without damaging the insulation
- Track the cables or wires, and diagnose the break point; Receiver the tone signal on the cables or wires (telephone line)
- Track the cables or wires, and diagnose the break point
- Always turn off power before using on any main cables
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