Safe material and durable performance Our spark plug tester uses premium rubber and is built to perform reliably across a wide temperature range, delivering long-lasting function in various environments. Clear spark condition identification Easily repair and identify problems with clear visibility of spark conditions, enabling quick diagnosis and efficient repairs. Efficient troubleshooting with smart LED Smart LED indicators help you pinpoint engine problems fast, reducing guesswork and downtime. Easy to use with minimal tools Lift and activate your engine seamlessly with no need for extra tools or specialized skills, saving time and effort for a comfortable experience. Practical applications Car maintenance and diagnostics during routine service or no-start conditions. Motorcycles and other small engines require quick spark checks on-site. Lawn equipment and generators for fast, reliable spark testing in the field.