Automotive Digital Voltage Tester Pen, 3-120V DC Circuit Tester with LED Display, Bidirectional Test Light for Car Truck Motorcycle, Fuse/Generator/Polarity Testing, Heavy Duty Probe with Spring Wire
DIGITAL DISPLAY: Features a clear digital screen that shows precise voltage readings from 3-120V, making it easy to read measurements at a glance during electrical testing
VERSATILE TESTING CAPABILITIES: Designed for automotive fuse testing, generator testing, voltage testing, and positive and negative pole identification for comprehensive electrical diagnostics
POLARITY DETECTION: Use the pen tip to measure one pole and clamp the other with the alligator clip - the display will show + or - sign to clearly indicate positive or negative polarity
CONVENIENT DESIGN: Equipped with a coiled spring wire with probe protection shell for safer and easier carrying, plus an alligator clip attachment for hands-free testing
UNIVERSAL COMPATIBILITY: Works with a wide voltage range of 3-120V, making it suitable for testing various automotive electrical systems, generators, and low-voltage circuits