1 x DC 6-24 V DC Electrical System Tester 24 Volt Test Car Fuse Tester Long Spiral Wire Extension Copper Protective Cap Ideal for Fuse

High safety and durability design: Made of pure copper, this voltage tester pen for vehicles is heat resistant and ensures increased durability. Its acute steel probe makes it easy to drill insulation to test circuits without the risk of overheating. Built-in LED indicator for optimal visibility: Equipped with a light-emitting diode, our tester provides a clear and accurate indication during testing, increasing the reliability of your diagnostics without the risk of overheating, even after prolonged use. Expandable spiral wire for high flexibility: The spiral wire of this voltage tester extends up to 2.5 m, allowing great maneuverability. It retracts to 60 cm, making it easy to store and use in tight spaces. Copper Protective Cap for Safe Transportation: Includes a copper cap that protects the probe when not in use, avoiding accidents and potential damage in your toolbox, making it a safe choice for professionals on the go. Versatile applications for electrical diagnostics: Ideal for testing vehicle electrical systems at 6-12V AC and 24V DC, this pen is essential for checking headlights, tail lights, fuses and more, facilitating quick and accurate diagnosis.