Description: Multi-Funcion Mode: Voltage and Polarity Testing, Activating components off or on the vehicle, Testing lights and connections, Continuity Testing. Checking for Good and Bad Ground Contacts. Following and locating short Circuits. Circuit Tester Widely Application: It can be used to test continuity, test polarity of a voltage, check lamp, check electric motor, follow and locate short circuits, test for bad ground contacts and measure dc voltage from 2V to 24V etc. Easy to Use: Powered by the vehicle battery directly. The illumination function enables automotive technician to test the electrical system in the darkness. Cable Length: Automotive power probe has long test lead. The cable length is about 4m(13ft) which allows you test any electrical system easily. Overload Protection: When the current exceeds 8A, the unit will disconnect the current automatically. Specifications: Product name: Power Circuit Electrical Tester Color: As picture shown Material: ABS Package Size(L x W x H): About 26.5 x 9 x 4cm/ 10.4 x 3.5 x 1.6inch Package Includes: 1Pc x Power Circuit Electrical Tester