Specifications: Type: Digital Circuit Tester Voltage range: 3V/6V/12V/24V DC Cable length: 0,6m-1,8m Bulb: 3 Watt Bulb Material of handle: Insulating ABS Application: Car headlights, taillights, turn signal circuits, defective sockets, fuse connectors and other wires and circuits Properties: Wide Application: Professional automotive circuit tester/circuit test lamp with 3V-6V-12V-24V DC testing range, ideal for checking various electrical circuits of vehicles, fast checking of automotive headlights, tail lights, turn signal circuits, faulty sockets, fuse connectors and other wiring and circuits. Safe: Equipped with pure copper clip and insulation protective cover, which can better grip the body and screws, insulation protection against electric shock. PCB with wire protection function, safer and more flammable. Quality made: Sharp stainless steel probe for piercing wires, even for difficult to access narrow areas. High quality ABS housing, shatterproof, more durable than normal test lamps. Convenient Use: High quality 1.8m long enough PU spring wire provides more flexibility, lighter and more durable than normal cable wires, convenient for use and storage, along with large size crocodile clamp for easy Scope of delivery: 1.Auto voltage tester