•Directly hunt 5E, 6E, telephone wire, coaxial cable, USB cable and other cables.  

•Check wiring error in 5E, 6E, coaxial cable, such as open circuit,short circuit, jumper wire, reverse connection .   

•Locate the wiring or connection error.

•Measure cable length and determine the distance of open circuit.  

•Automatically time-delay shut off and backlight display function.   

•Single board computer software watchdog design and reliable operation