Designed to quickly identify circuit polarity and open circuits, and to indicate overload conditions for safe use. - Wide detection range: Detects 6V and 24V circuits, suitable for vehicles such as cars, motorcycles, boats, and electronic devices. - Accuracy and durability: Stainless steel pin tip provides high precision, reliability and sensitivity, ensuring durability and consistent results. - Easy to use: Bright LED light offers clear visibility in low light; quickly detect and diagnose circuit faults. Use scenarios - Troubleshoot electrical faults in cars, motorcycles or boats by testing 6V/24V circuits to verify polarity and locate open circuits. - Verify wiring for 6V/24V accessories such as lighting, sensors, or other electronic devices during installation or maintenance. - Perform quick circuit checks in workshops or field projects where polarity, open circuits or overload conditions need to be identified on 6V/24V systems.