Spark Plug Tester / Spark Ignition Tester - Quick and reliable trouble shooting: Use smart LED cues, clear signals, and distinct color indicators for different spark states to identify ignition issues fast. - Easy to use: Connect and start your engine without specialized tools or skills, helping you save time and effort. - Broad compatibility: Designed for a range of vehicles, enabling detailed engine diagnostics and supporting comprehensive maintenance for smooth performance. - Durable material: Made from high-quality rubber to withstand a variety of temperature environments and deliver consistent results. - Practical use scenarios: - In a professional repair shop, diagnose misfires on a car by reading the LED indicators to pinpoint faulty spark plugs or ignition components. - During routine maintenance for multiple vehicles, perform quick ignition checks to ensure each engine is functioning properly. - In a home garage, test ignition on typical gasoline engines such as cars and motorcycles to confirm reliable starts and smooth operation.