COWANIEE 2 Pcs Circuit Tester, 3-120v Dc Test Light, Fuse Tester with Digital Test for Car Battery Circuit Inspection

Precise Voltage Detection: This circuit tester pen is designed to test voltages from 3-120V DC, perfect for automotive diagnostics. Ideal for use as a car fuse tester, it helps identify faulty fuses and wiring issues effortlessly Bi-Directional Polarity Indicator: Equipped with an LED on the circuit board, this tool indicates polarity with ease (red for positive "+", green for negative "-"). A must-have feature for accurate testing Durable Construction: Made from high-quality plastic and carbon steel, this circuit tester ensures long-lasting performance. The line length of approximately 110 inches provides flexibility during testing Flexible and Ergonomic Design: Featuring stretchable cables and probes, this tool can reach difficult-to-access areas. The anti-bending design ensures reliable contact every time you use it Wide Range of Applications: Use this circuit tester to check car headlights, taillights, turn signals, sockets, fuses, and more. It’s your ultimate companion for diagnosing low-voltage circuits in vehicles