Universal EM285 PRO Automotive Short Cable Tracker Electric Circuit Tester Car Electrical System Tester DC 6-24V Drive Test Pen Features: Wide range applications: circuit tester 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 etc. Long test lead: The cable length is about 16ft which allows you test any electrical system easily. Short-circuit protection: The unit has short-circuit protection and can test for bad ground contacts instantly. Easy operation:After a simple hook-up of the unit to the vehicle;s battery, automotive technician can conduct a positive or negative battery current to the tip by rocking the power switch forward or backward. Comprehensive 6-24V DC test kit:Do not use on AC voltage. Operation Instrcutions: Unroll the unit;s cable Clamp the red clip to the positive terminal of the vehicle;s battery Clamp the black clip to the negative terminal of the vehicle;s battery Specifications: Color:red Operation Voltage:6-24V DC Cable Length:16ft Overload Protection:8A (When the current exceeds 8A, this item will disconnect the current automatically.) Package Size:26.5 * 9 * 4cm Package Weight:320g Package List: 1 * Circuit Tester