- Clear Voltage Display: Our Multi-Function Vehicle Tester features red and green LED lights that quickly indicate voltage polarity. The blue LCD high-definition display provides a clear readout of the detected positive or negative pole, making voltage testing straightforward and efficient. - Advanced Lighting System: Equipped with enhanced illumination, this Battery Test Light Tool ensures you can easily work on your vehicle in low-light conditions, prioritizing your safety and convenience during repairs. - Wide Application: This Digital Automotive Test Light is versatile, supporting tests for all 3.5-36V electrical systems. It is ideal for a range of vehicles, including pickup trucks, off-road vehicles, motorcycles, engineering vehicles, and boats. - Optimized Maintenance Workflow: Our Heavy-Duty Circuit Tester is designed for comprehensive diagnostics, enabling users to test voltage, resistance, current, relays, switches, plugs, and lines. This multi-functional tool enhances work efficiency and accuracy, making maintenance hassle-free. Use Scenarios: 1. Quickly diagnose electrical issues in your motorcycle before a long ride, ensuring everything is functioning properly. 2. Perform thorough inspections on your pickup truck's electrical system during routine maintenance to prevent unexpected failures. 3. Safely troubleshoot lighting problems on your boat while docked, using the bright illumination to see clearly in low light. This product stands out for its user-friendly design, reliable performance, and broad compatibility, making it an essential tool for both professional mechanics and DIY enthusiasts.