V-checker Circuit Tester can check signal for cable assembly from 0-36V, with accuracy 0.1V. It can check continuity of cable assembly. Display the ON and OFF figure. LED is ON when the cable is continuous; LED is OFF when discontinuous. Welcome to to get more details of Auto ECU Decoding & Resetting Tools, vehicle Diagnostic Tools which made in China with factory price. Fucntion: • Check signal for cable assembly from 0-36V, with accuracy 0.1V. • Display value and waveform at the same time when the voltage is over 0.1V. When the voltage is over 0.5V, the blue LED light on at the same time. • Auto waveform freezing. • Please visit for details.