- Safe material: Made from high-quality rubber, this spark plug tester delivers reliable performance across a range of temperatures and provides long-lasting durability. - Efficient diagnostics: Quickly identify spark conditions to guide repairs and optimize maintenance tasks. - Advanced diagnostics: Effortlessly pinpoint engine problems with intelligent light cues, transparent inspection signals, and color-coded spark-state visualization. - Effortless to use: Connect directly to your engine's spark ignition system without the need for complicated tools or specialized skills, saving time and effort. - Use scenario: For routine automotive maintenance, use on cars or motorcycles to verify spark plug health and ignition performance. - Use scenario: In a professional repair shop, quickly diagnose ignition-related issues on vehicles to speed up repairs and confirm spark status across cylinders. - Use scenario: For small engines and equipment, test lawn mowers, generators, and other spark-ignition equipment to ensure ignition is ready before operation.