Cross, short circuit, open circuit, normal
Network cable length break point test / calibration
Normal mode / anti-interference mode
Quickly find network cables on switches/routers
Test whether the crystal head is pressed well
Target line can be determined based on flashing light
LED Funtion (Receiver)
The lighting button can be used to control the switching of the lighting switch status on any interface. Press once to turn on the lights and press again to turn off the lights
NCV Funtion (Receiver)
The NCV function is used to detect the presence of strong current cables in the work environment to ensure construction safety. Briefly press the receiver NCV key to enter the NCV mode. When an AC voltage greater than 70V is detected, the receiver emits a "drip" sound