- Durable Construction: The handle is crafted from high-quality plastic, while the probes are made from hardened and tempered carbon steel with a chrome plating, ensuring exceptional durability for long-term use. - Long Probe Design: The sharp steel probe effortlessly penetrates wire insulation, allowing for quick and accurate circuit testing. This feature enhances your ability to diagnose issues efficiently. - Integrated Test Light: The built-in glowing test light in the handle provides immediate visual confirmation of a complete circuit connection. This simplifies the testing process, making it both effective and user-friendly. - Broad Testing Range: This tool is compatible with various automotive circuits, offering a testing range from 3V to 70V. It is ideal for comprehensive diagnostics across multiple vehicle systems. Use Scenarios: 1. Automotive Repair: Perfect for mechanics or DIY enthusiasts diagnosing electrical issues in cars, ensuring accurate readings and efficient troubleshooting. 2. Circuit Testing: Ideal for checking the integrity of circuit connections in various electrical systems, providing peace of mind during installations or repairs. 3. Home Projects: Useful for homeowners working on electrical projects, allowing for safe testing of circuits in light fixtures, outlets, and appliances. This product combines reliable materials, thoughtful design, and practical features to meet the needs of both professional technicians and hobbyists alike.