1. VERSATILE MULTIFUNCTIONAL TOOL This automotive circuit tester is a powerful multifunctional device for automotive circuit testing, serving as a test light, power tester, and voltage detector. It can be used to diagnose electrical issues in cars, trucks, and motorcycles, and is an essential tool for any mechanic. 2. BRIGHT LED DISPLAY FOR CLEAR VISIBILITY Equipped with an ultrabright LED display, this circuit tester offers clear visibility in dim or dark environments. The intensity light provides instant feedback for quickly identifying live circuits, shorts, or faults without eye strain, suitable for DIY enthusiasts in garages or under vehicles. 3. PORTABLE AND LIGHTWEIGHT DESIGN This electric test pen is designed for convenience with a compact and lightweight build. It's easy to carry in a pocket or toolbag. Its ergonomic design ensures a comfortable grip during long use, and the included durable cable extends reach for testing hardtoaccess areas in automotive electrical systems. 4. FAST AND ACCURATE FAULT DETECTION This efficient circuit tester speeds up the diagnostic process with rapid and precise fault detection. It helps pinpoint issues like blown fuses, broken wires, or faulty connections in seconds, saving time and reducing guesswork during repairs.