Automotive Electrical Test Light – 3V to 48V Systems • Fast and Accurate Troubleshooting: Designed for quick identification of electrical issues in automotive systems from 3 to 48 volts. Ideal for diagnosing battery health, checking fuses, and verifying circuit integrity, helping you solve problems before they lead to costly repairs. • Clear and EasytoRead Display: visibility LED digital screen shows voltage readings instantly. Builtin colorcoded polarity indicators clearly identify positive and negative connections, ensuring accurate results even in dimly lit environments such as garages or roadside repairs. • Extended Reach for Versatile Testing: Features a 96inch flexible spring wire and large crocodile clips, allowing you to securely connect and operate with one hand. This extra length is for testing in hardtoaccess areas like deep engine bays, under dashboards, or within tight wiring harness spaces. • Durable and Safe Construction: Stainless steel probe easily pierces wire insulation without damaging the conductor. The insulated, ergonomic handle provides a secure and comfortable grip while protecting you from accidental shocks during use. Built to withstand regular testing in demanding workshop conditions. • Compatible with Multiple Applications: Suitable for cars, trucks, boats, motorcycles, and other vehicles with electrical systems in the 3V to 48V range. Useful for checking battery voltage, diagnosing lighting malfunctions, testing trailer connections, or verifying work. • Practical Use Scenarios: 1. Mechanics can quickly locate electrical shorts or faulty wiring in a car's lighting system. 2. DIY vehicle owners can confirm battery condition before long trips to prevent unexpected breakdowns. 3. Marine technicians can troubleshoot navigation lights or accessories in boats without removing panels. This automotive electrical tester delivers precise, dependable results with the convenience and durability required for everyday use in both professional and home garages.