Safe material and durable performance Our spark plug tester uses high-quality rubber material designed to withstand a wide operating temperature range. It delivers reliable performance and long-lasting durability in everyday use. Clear identification for fast diagnosis Quickly identify ignition problems and clearly assess spark conditions. This enables efficient repairs and rapid, accurate diagnostics of your devices. Efficient troubleshooting with intelligent LED The built-in intelligent LED indicates spark status and engine condition, helping you diagnose issues quickly and guide repairs with confidence. Convenient to use No need for complex tools or specialized experience. Simple operation saves time and minimizes effort during ignition checks and troubleshooting. Key benefits - Detects and displays spark condition clearly for quick diagnosis - Durable, temperature-tolerant construction for reliable use - LED indicators speed up troubleshooting and repair decisions - User friendly and requires no special tools or expertise Typical applications - Cars, motorcycles, and other gasoline-powered engines with spark plug ignition - Lawn and garden equipment, generators, and other small engines - Field service or on-site maintenance where rapid ignition checks are needed Usage scenarios - A misfiring car engine is suspected to be caused by the spark plug; use the tester to verify spark presence and timing indicators before replacing parts - A technician performs routine maintenance on a generator; the tester provides a quick spark check to confirm ignition system health - A service visit to diagnose ignition issues across several small engines in a workshop or field environment, enabling fast triage and efficient repairs