2pcs 6-12-24V Electric Voltage Tester Pen Car Fuse Tester Pen with 65cm Cable, Clamp and Metal Cap, Auto Circuit Detector Brass Rust Proof for Mechanic

Reliable and safe detection: This electric tester quickly identifies failures on 6V, 12V and 24V circuits. Ideal for checking car fuses and auto relays without the risk of short circuit due to its robust design. Rustproof Brass Construction: Made of pure cast copper, this voltage tester pen provides excellent conductivity and maximum durability. The metal cap protects the needle for a long service life in the workshop. 65cm Extendable Cable: Equipped with flexible wire and strong alligator clip, this car fuse tester makes it easy to reach hard-to-reach areas in the engine, providing great freedom of movement for the mechanic. Clear light indicator: The integrated indicator light turns on instantly when current is detected. You clearly visualize the circuit status, avoiding frequent diagnostic errors with low-end testers. Versatile tool for mechanics: Perfect for auto mechanical tools, this tester screwdriver checks headlights, sockets and faulty connections. Essential equipment for diagnosing electrical problems in your vehicle.