1.Clear Voltage Display: MultiFunction Vehicle Tester The red and green LED lights on the front of our Test Light Automotive facilitate quick identification of voltage polarity. The blue LCD definition display clearly indicates the positive or negative pole detected by the probe, streamlining voltage testing. 2.Advanced Lighting System: Battery Test Light Tool Easily your car in the dark with our Test Light Automotive's enhanced illumination, providing ample light to ensure your safety and convenience. 3.Wide Application: Digital Automotive Test Light This test light supports all 3.5 36V electrical system tests, making it a good helper for maintenance of various vehicles, such as pickup trucks, offroad vehicles, motorcycles, engineering vehicles, boats, etc. 4.Optimized Maintenance Workflow: HeavyDuty Circuit Tester With advanced features to test voltage, resistance, current, relays, switches, plugs, lines, and more, our Test Light Automotive tool enables multiple detection functions that help improve work efficiency and accuracy for hassle maintenance.