Feature: 1. Wide Application: With a 6V 12V 24V DC test range, it is ideal for checking the circuits of various vehicles, quickly checking car headlights, taillights, turn signal circuits, faulty sockets, fuse connections, etc. 2. High Security: Equipped with pure copper clips and insulated protective cover for better grip on the body and screws, insulated to protect against electric shock. Circuit board with line protection for greater safety. 3. Sharp Probe Design: Voltage circuit tester with sharp stainless steel probes for piercing wires, but also can be used in narrow areas that are difficult to reach, more convenient to use. 4. Easy to Operate: 7ft long PU spring steel wire is more flexible, lighter and more durable than ordinary wire, and comes with large clips for one handed operation. 5. High Hardness Material: Heavy duty voltage test pen is made of high strength ABS, shatterproof and more durable than ordinary test lamps for longer service life. Specification: Item Type: Car Electric Circuit Tester Material: ABS + Metal Voltage Range: 6V/12V/24V DC Voltage Test Range: DC3-36V Bulb: 3 Watt Bulb Style: Digital Handle Material: Insulated ABS Features: Safe, Shatterproof, More Durable, Easy To Use Applications: Automotive headlights, taillights, turn signal circuits, faulty sockets, fuse connections and other wires and circuits. Package List: 1 x Car Electric Circuit Tester