IZTOSS Multi-function Auto Circuit Tester Multimeter Lamp Car Repair Automotive Electrical Circuit Testers Multimeter 0V-380V Voltage yellow Car Auto Power Electric Circuit Tester multimeter+lam p+probe+Light 0-380Volt is an economy and multi-function repair tool,Automotive Circuit Testers can detect each fault in the place where the space is narrow and light is weak. Automotive Circuit Testers can used to do line detect, electricity detect. And because it have led bulb design, can used for lighting.Automotive Circuit Testers can accurately detect various line faults under the situation of no damage to rubber cover. Include the Test main unit ,Connect cable ,Clip head and operation instructions in English language. AutomAutomotive Circuit Testers sets multimeter & test lamp gear which has the functions that the top-level multimeter fails to do. It specially detects the wires with bad contact and aging wires.otive Circuit Testers sets multimeter & test lamp gear which has the functions that the top-level multimeter fails to do. It specially detects the wires with bad contact and aging wires. Pls note:LED test function can only use DC, no AC. Light test and LED test can not used to do 220V AC test. Otherwise will burn this tool.