Versatile DC voltage detector and circuit continuity tester designed for cars, trucks, and motorcycles. This multi-vehicle tool delivers intuitive operation and reliable performance for a wide range of automotive electrical diagnostics needs. Durable materials for long life. Built to withstand shocks and vibrations while maintaining plug durability, ensuring consistent tester functionality over extended use. Intuitive status indication for fast, precise results. Combines sensitive touch points with rapid fault detection and real-time voltage feedback, highlighted by an easy-to-read double-color status display for efficient operation. Easy to handle with one hand. Ergonomic handheld design with integrated probe functionality for precise diagnostics, enabling easy single-hand use without sacrificing accuracy or convenience. Use scenarios: - Quickly check DC voltage and ground continuity on cars, trucks, and motorcycles during routine maintenance or roadside checks. - Verify wiring harness continuity and locate opens or shorts during electrical repairs. - Perform rapid fault detection and voltage feedback during diagnostic sessions to speed up troubleshooting.