- High accuracy resistance measurement for automotive circuits; enables quick troubleshooting and repairs, and also functions as an electrical circuit tester and voltage finder. - Reliable and durable; built with sturdy materials to deliver dependable performance and long-lasting durability; suitable as a test pen and electric circuit tester. - Convenient repair function; acts as a noninvasive repair tool for electrical circuits for maintenance tasks; compatible as an automotive test pen, circuit tester, and multifunctional car circuit tester. - Noninvasive circuit repair; repairs without damaging wiring and supports maintenance tasks; also serves as a power tester pen and car fuse tester. Use scenarios: - In-vehicle diagnostics: check resistance across circuits to locate faults in lighting, sensors, or ignition systems. - On-road or workshop checks: test car fuses and wiring continuity to quickly identify issues without invasive procedures. - Maintenance tasks: verify circuit integrity when installing aftermarket components or performing routine electrical servicing.