Heavy Duty 5-90v Digital Led Circuit Tester, Bidirectional Circuit Tester Automotive, Electric Test Pen with Extended Spring Wire & Probe, for Vehicle Car Motorcycle (One Piece)

About this item
Wide 5V-90V Voltage Range: This automotive circuit tester supports an expanded voltage range of 5V to 90V, making it compatible with a variety of vehicles, including cars, trucks, RVs, and motorcycles. Safely test hybrid vehicles, and low-voltage circuits with confidence.
Precision LED Voltage Display: Equipped with a bright LED digital screen, allowing you to accurately read the voltage, and it can be read clearly during the day or in dark areas. Instantly identify voltage levels, troubleshoot irregularities, or verify power continuity without relying on guesswork—ideal for diagnosing battery health, alternator output, or faulty connections.
Extended Spring Wire with Alligator Clip: Maximum extended to 106 inch long enough spring wire increases flexibility and a wide measuring area when testing, Along with large size alligator clip for easy one-hand operation.
Auto-Polarity Detection with LED Indicators: Bidirectional red/green LEDs instantly reveal polarity—red for positive and green for negative—eliminating guesswork during testing. Clip the probe to either ground or positive terminals without adjusting connections, streamlining tasks like tracing shorts, verifying circuit paths, or checking fuse integrity.
Multi-Purpose Diagnostic Tool: Designed for professionals and DIY enthusiasts, this tester quickly diagnoses headlights, taillights, turn signals, relays, and broken wires. Use it to validate socket functionality, locate faulty fuses, or inspect trailer wiring systems. Its compact, rugged design ensures reliability for home garages, roadside repairs, or professional workshops.