Automative circuit tester

The front with unique path finding proble hock, which can accurately measure the internal problem, voltage and signal from the surface
Designed to detect the poor contact and aging lines
Multimer function (voltage, resistance, diode, buzzer and etc.)
Car battery voltage detection
Automatically polarity indicate
Easy to operate at limited space
With LED lighting

Switching rate 3 times/sec
Measurement method automatically or manual operation
Voltage 2.4-3.6V
Temperature °C and °F
Buzzing frequency about 2.7kHz
Power off automatically