Features 1. Multifunctional: Circuit testers can be used to test continuity, voltage polarity, lights, motors, and to locate short circuits. 2. Short Circuit Protection: This circuit tester has short circuit protection that can quickly detect poor grounding. 3. Long Test Cord: The cable is approximately 16 ft, allowing easy testing of various electrical systems. For 6-24V DC use only; not for use with AC voltage. 4. Simple to Operate: Once connected to the vehicle battery, an automotive technician can direct battery current to the probe tip by operating the power switch. 5. Automotive Diagnostic Tool: When connected to a car battery, this power probe enables a range of diagnostic functions. Specification Item Type: Electric Circuit Tester Material: ABS Voltage: 6-24V DC Applicable Models: Universal Package List 1 x Electric Circuit Tester