- Multifunctional Circuit Tester: This essential automotive tool checks electrical systems, continuity, polarity, grounding, and voltage detection, making it a must-have for vehicle owners and technicians. - Built-in Flashlight: Designed with a convenient flashlight, this circuit tester enables you to perform tests in low-light conditions and can also serve as an auxiliary light by connecting clips to the battery terminals. - Extended Reach: Featuring a 5-meter long wire, this tester easily connects from the battery to the dashboard. It provides clear readings on the LCD screen, ensuring you can quickly assess your vehicle's electrical status. - Easy Operation: To use, simply attach the red clip to the positive terminal and the black clip to the negative terminal. The tester activates the light and displays battery voltage in bright blue digits for easy visibility. Use Scenarios: - Diagnose electrical issues in your car's lighting system, ensuring all bulbs are functioning correctly. - Check the battery voltage before a long trip to avoid unexpected breakdowns, guaranteeing your vehicle is ready for the road. - Test various components, such as fuses and wiring harnesses, to troubleshoot problems efficiently, saving time and effort during repairs. This circuit tester is compatible with most vehicles, lightweight for easy handling, and built for reliable performance, making it an invaluable tool for both home mechanics and professional technicians.