Voltmeter Battery Finder Tools For Mechanic Diagnostic Vehicle Electrical Testing Auto Relay Tester - Car Electric Circuit Tester Home Workshop Voltmeter Battery Finder Tools

General Relay Functionality: The relay tester provides comprehensive support for both 4-pin and 5-pin relay interfaces, featuring a self-adaptive design to assure seamless compatibility with various relay types for trusty testing performance Precise Fault Identification: With a smart chip at its core, this tester provides real-time fault mode identification and precise relay state tracking, supported by immediate audio-visual feedback for optimal results Easy Using: Designed with portability in mind, the relay tester includes a foldable stand and anti-slip handle, making it trusty for indoor or outdoor testing needs Advanced Protection: Features include insulated probes to avoid short circuits, integrating overload protection, and effective reverse current blocking mechanisms Wide Range of Uses: Covers 12V and 24V systems, making it ideal for testing in passenger car as well as commercial vehicles with wide voltage adaptability