Digital Signal Detection (No Interference/No Signal)

Tracing Wires For POE Switch, Router, Optical Modem

Tracing And Testing Telephone Line (Clear, Ring, Busy)

Directly Track Wire Detection: RJ45/RJ11/Other Weak Current Wires 

Open Circult, Short Circult, Detection Of Cable Line Sequence

Test The Positive And Negative Poles Of The Wire

Continuity: Judge Continuity Of The Cables Or Wires

Emitter Check The Sequence Collation For Switch Port Cables

Check Wire Track For POE Switch When The DC Voltage less 60V

AC Voltage Detection: About 48V

Red Light Function

Transmitting Signal Distance: 0~300m