- Versatile Vehicle Diagnosis: This circuit test light is designed for a wide 6-48V DC voltage range, making it ideal for troubleshooting various vehicle systems, including headlights, taillights, and turn signals. - Durable Construction: Built with a robust stainless steel probe, an insulated rubber head, and heat-resistant PU spring wire, this tool is engineered for longevity and safety during use. - User-Friendly Operation: Simply connect the clip to the ground and use the stainless steel probe to access tight spaces. The LED indicator clearly shows polarity, while the integrated voltmeter provides accurate voltage readings. - High Visibility: The bright digital display adjusts according to the detected voltage, ensuring you can easily monitor circuits and achieve efficient testing results. Practical Applications: 1. Headlight Testing: Quickly diagnose headlight issues by checking voltage and ensuring proper function. 2. Tail Light Inspections: Efficiently troubleshoot tail light malfunctions, ensuring all vehicle lighting systems are operational. 3. Turn Signal Verification: Ensure turn signals are functioning correctly by measuring voltage and confirming polarity. This circuit test light is an essential tool for automotive enthusiasts and professionals alike, offering reliability and precision for all your vehicle testing needs.