Widely ApplicationsThe power circuit probe tester can be used to test for continuity, test for polarity of a voltage, check , relay,test for polarity of electric cables and plug. track and locate short circuits. test for bad ground contacts.Test CableElectric circuit tester, the cable length is 16 feet, allows you test any electrical system easily, compact and portable design makes detection more convenient.Easy To Operate Automotive electrical circuit tester probe, After simply connecting the electric light tester to the vehicle battery, an auto technician can conduct positive or negative battery current to the tip by flipping the power switch forward or backward.Humanized DesignThe power circuit tester is equipped with indicator lights, probes, alligator clips, with short circuit protection, greatly improving your work efficiencyElectric Circuit TesterMultifunctional car tools, the test range of 6-24 V DC is suitable for circuit voltage test of cars, trucks, motorcycles, tractors and various vehicles. A brilliant tool for the auto electrician and . Specification: Material: PPWorking Voltage: 6-24V DCCable Length: 16ft Package Includes: 1Circuit Probe Tester