1. Its front end has unique feeler which searches circuit. It can accurately detect all faults like voltage and signa inside wire on the surface of wire rubber cover (convenient and efficient detection). 2. It has the functions of multimeter (voltage, resistance, diode, buzzer. etc.) 3. It has several test lamps. 4. It can test pulse signal function. 5. Its front end has high-brightness lighting lamp. 6. It has the special function of detecting the voltage drop with bad contact and aging wire. 7. With unique structure design, it is convenient for narrow space operation of automobile circuit.
