Tone Probe Set Cable Checker 200EP Wiring Checker Cable Tester RA-103

This cable checker can be used to diagnose common problems with telephone, data, Internet, voice, security, and communications cables. It features continuity checking, a break-in power supply, a break-in connection terminal, L1 and L2 polarity checking, two audible signals, and an RJ11 plug. It's widely used for cable and wire repair, and its measurement capabilities include line tracing, short-circuit testing, clear, busy, and ringtone recognition. The housing is made of ABS material, which offers excellent toughness, high strength, wear resistance, and a long service life. It can trace wires and identify cables in common wiring systems. It is highly sensitive, accurate, efficient, and durable.