1. Efficient short circuit detection This circuit tester is designed to quickly detect short circuits and locate bad earths, making it an essential tool for diagnosing electrical problems in vehicles. Suitable for 6V to 24V systems, it ensures accurate and reliable results for a variety of automotive applications. 2. Safe and Sensitive Protection Equipped with a sensitive short circuit protection device, this tester can be safely used in your vehicle's electronic management systems. It prevents damage to sensitive components and ensures a safe, worry diagnostic process. 3. Extended reach with long cable The 14.8 foot long cable provides exceptional flexibility, allowing you to access hard to reach areas at the rear of the vehicle. This feature enhances convenience and efficiency during electrical diagnostics. 4. Time saving tool for professionals Ideal for automotive electricians and mechanics, this circuit tester significantly reduces diagnostic time. Its precision and ease of use make it a valuable addition to any professional toolkit, streamlining the troubleshooting process.