- Accurate Voltage Measurement: This electric circuit tester measures DC voltage from 6V to 24V, providing precise digital readings that surpass standard voltage testers. It's an essential tool for accurate vehicle electrical diagnostics, ensuring you can quickly identify issues. - Overload Protection: Featuring an automatic cut-off when current exceeds 8A, this car probe circuit tester safeguards both the user and vehicle. This built-in safety feature ensures reliable operation and prevents potential damage during testing. - Built-in Buzzer and LED Light: Designed for convenience, the probe tester includes an integrated buzzer and LED light. This allows for easy use in low-light conditions, making it ideal for night-time diagnostics or hard-to-see areas. - Extended Cable Length: With a generous 4.5m/14.76ft cable, this tester provides the flexibility to reach from the front to the rear of your vehicle. This eliminates the hassle of searching for a suitable ground, allowing for seamless testing. Use Scenarios: - Quickly diagnose battery issues by measuring voltage levels without needing to move the vehicle. - Easily troubleshoot wiring problems in tight spaces or during nighttime repairs with the built-in light and buzzer. - Perform routine maintenance checks on various vehicle systems, ensuring optimal performance and safety. This electric circuit tester combines functionality and practicality, making it a reliable companion for both professionals and DIY enthusiasts.