LED Car Test Pen, Auto Electrical Tester 3-120V DC Voltage Detector for Auto Repair & Diagnostics, ABS Professional Mechanic Troubleshooting Kit Red

**Car Test Pen LED Test Light Auto 3V-120V DC Circuit Tester for Automotive Electrical Diagnostics** Ensure precise voltage detection and troubleshooting with this professional-grade LED Test Light Pen, designed for automotive enthusiasts and professional mechanics. Crafted from high-quality ABS material, this compact tool features a durable, heat-resistant housing to withstand demanding workshop environments. The bright LED indicator light instantly detects live circuits (3V to 120V DC) in cars, trucks, motorcycles, RVs, or home electrical systems, making it ideal for checking fuses, relays, switches, wiring, batteries, and accessories. **Key Features:** - **Quick Voltage Detection:** Effortlessly identify 12V/24V electrical systems with a clear LED glow—no complex meters required. - **Universal Compatibility:** Safely test 3V to 120V DC circuits in vehicles (cars, boats, tractors) or household electronics (batteries, outlets, DIY projects). - **Safety First:** Built-in overload protection and insulated probes ensure safe operation while diagnosing live circuits. - **Ergonomic Design:** Lightweight pen-shaped body with a comfortable grip and integrated alligator clip for hands-free grounding. - **Multi-Purpose Use:** Perfect for testing spark plugs, ignition coils, trailer wiring, and troubleshooting faulty connections. **Why Choose This Automotive Test Light?** Save time and money with this reliable circuit tester that simplifies electrical diagnostics. The non-contact design minimizes short-circuit risks, while the extra-long probe reaches tight spaces under dashboards or engine bays. Includes a 42-inch ground wire with a sturdy spring clip for secure attachment to battery terminals or chassis. Backed by safety compliance certifications, this tool is a must-have for garages, roadside repairs, or home workshops. **Package Includes:** 1x LED Test Light Pen, 1x Alligator Clip, 1x User Manual. Upgrade your toolkit with this versatile, budget-friendly voltage detector—your go-to solution for fast, accurate automotive electrical testing!