NS-870 Digital Auto Power Test Pen 4-75VDC Voltage Tester Bipolar Car Wiring Tester Versatile Automobile Troubleshooting Tools

Features:Multi-functional Circuit Diagnosis: Integrates short-circuit testing, open-circuit detection, wire tracking, and other multi-functions in one, effectively identifies circuit problems, accelerate the automotive troubleshooting and repairing process, and enhances maintenance efficiency. With illumination function, applicable to a variety of complex maintenance environments.LCD Backlit Display: The backlit LCD display guarantees easy reading even in low light conditions, while real-time voltage measurements are accompanied by audible beeps, ensuring an intuitive and immediate understanding of test results.Humanized Design: The soft rubber handle offers a comfortable, anti-slip grip designed for prolonged use and durability. It comes equipped with a versatile 3.6-meter flexible, retractable cable, significantly expanding the scope of testing. An anti-loss probe protecting sleeve and a robust, large-sized alligator clip are thoughtfully integrated to enhance operational safety while enhancing the tool's overall functionality and practicality.Bi-polarity Test Function: The bi-polarity test function utilizes distinct red and green LEDs, providing an instant and intuitive differentiation between positive and negative poles, which ensures quick and error-free polarity testing.Wide Applications: The digital display automotive tester boasts a versatile operating voltage ranges from 4VDC to 75VDC, making it universally compatible with all vehicle electrical systems within 6/12/24/48V. It is an indispensable professional tool for automobile repairs and maintenance.