Premium Quality - Deluxe Continuity Tester Tests for open, ground or short circuits in the electrical systems of cars and small equipment from 6-12V AC and 24V DC. Quickly checks car headlights, taillights, turn signals, faulty sockets, connections, fuses,broken wires and more Robust and durable - the sharp steel probe reaches into the fuse box or pierces the insulation to reach the wires so you can keep your hands free from any harmful substances. The bulb in the handle is self-powered and will illuminate brightly to let you know if the circuit is good. The impact-resistant handle ensures that the bulb inside is safe. Wide range - the oversized 54" cord allows great flexibility, range and freedom when testing short circuits around the house or in large vehicles. A reinforced spring prevents damage to the test leads at the base of the handle. The ergonomic, slim design ensures you get a tight, even grip on the handle. Long probe with crocodile clips - The long probe with crocodile clips ensures that you can reach tight places. Contents - 2 x voltage testers.