Product Description This Digital Automotive Circuit Tester is a versatile car electrical test probe designed to quickly check voltage, continuity, and polarity. The high-definition digital display shows accurate readings while the built-in LED indicators signal positive or negative detection. Ideal for car, truck, motorcycle, and boat electrical systems, this power probe tester makes troubleshooting circuits fast and safe. Product Feature ????Multi-Function Circuit Tester: Supports component flexibility, voltage & diode detection, continuity testing, ground detection, short circuit tracking, and overload protection. ????LCD Digital Display: High-definition LCD screen shows accurate voltage readings; red/green LED indicators for positive/negative detection. ????Dual Built-in Work Lights: Unique l.