- Safe material and durable construction: Our spark plug tester uses high-quality rubber material and delivers reliable performance across a wide temperature range, providing long-lasting durability. - Clear fault identification: Quickly diagnose issues and clearly identify spark conditions to enable efficient repairs and fast troubleshooting of your devices. - Advanced diagnostics: Easily pinpoint engine problems with smart LED indicators, clear inspection signals, and color-coded spark-condition visualization. - Easy to use: Connect the tester to your engine effortlessly, without the need for complex tools or specialized skills, saving time and effort. Use scenarios: - Automotive maintenance: Diagnose ignition problems in cars with misfires or weak sparks to determine if the spark plug, coil, or wiring needs attention. - Workshop service: Rapidly verify spark condition during routine service to guide repair decisions and improve repair efficiency. - Outdoor equipment and small engines: Field-troubleshoot spark problems on lawn mowers, generators, motorcycles, or ATVs to minimize downtime.