Professional automotive circuit tester/circuit test lamp with 3V-6V-12V-24V DC testing range, ideal for checking various vehicle electrical circuits, quickly checking automotive headlights, taillights, turn signal circuits, faulty sockets, fuse connections and other wiring and circuits. Equipped with pure copper clip and insulation protection cover, which can better grip the body and screws, insulation protection against electric shock. Circuit board with line protection function, safer and more flammable. Sharp stainless steel probe for piercing wires, even for tight areas that are difficult to access.High quality ABS housing, shatterproof, more durable than normal test lamps. 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 alligator clip for easy one-handed operation. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-Minnanxin