Core Functions Accurate RPM Detection: With a wide RPM detection range of 0-6000RPM, it can accurately measure the working status of the spark plug at different RPMs and provide users with detailed performance data. Whether it is stable ignition at idle or efficient combustion at high speed, it can accurately detect and let you know the performance of the spark plug. 12V Stable Power Supply: It adopts 12V standard power supply, which is suitable for most of the automotive electrical systems, ensuring the tester can run stably under all kinds of working conditions. Built-in high-quality power management module effectively prevents voltage fluctuations from affecting the test results, ensuring the accuracy and reliability of the test. Intuitive performance display: Equipped with a high-definition display, real-time display of various performance indicators of spark plugs, such as ignition voltage, ignition time, combustion temperature and so on. The clear interface design allows users to understand the working status of the spark plug at a glance, without the need for complex operation and interpretation. Quick fault diagnosis: Built-in intelligent fault diagnosis system can automatically identify common faults of spark plugs, such as spark plug carbon, electrode wear, poor ignition, etc.. It also provides detailed fault analysis and repair suggestions to help users solve problems quickly and save repair costs and time. Product Advantage Professional and reliable: It is carefully designed and developed by a team of senior engineers in the industry, and undergoes strict quality inspection and actual road tests to ensure the stability and reliability of the product. Whether in cold winter or hot summer, it can work normally and escort your vehicle. Easy to operate: user-friendly operation interface and easy-to-understand operation process, even non-professionals can easily get started. No need for complicated installation and debugging, just connect the tester to the spark plug and start testing, making the testing process easy and enjoyable. Multi-functional: In addition to the spark plug test function, it also has a variety of functions, such as battery voltage test, ignition coil performance test, etc., to meet the user's needs for a comprehensive test of the automotive electrical system. Multi-functional, value for money. Portable and lightweight: With compact design and lightweight materials, it is small in size and light in weight, easy to carry and store. Whether it is in the automotive workshop, maintenance workshop or outdoor work, it can be used anytime and anywhere, providing you with convenient inspection services.