Safe material Our spark plug tester uses premium rubber material and delivers reliable performance across a wide temperature range, providing durable, long lasting service. Efficient diagnostics Quickly diagnose ignition trouble to enable efficient repairs and identify spark conditions, optimizing maintenance tasks. Effective troubleshooting The smart LED indicator helps you pinpoint ignition problems quickly and clearly. Convenient to use Simply switch on the tester and initiate testing with the spark ignition tester. No complex tools or special skills required, saving time and effort. Practical uses - Pre-drive check: verify spark plug condition before starting a trip to ensure reliable ignition. - On-site troubleshooting: diagnose misfires or weak ignition quickly in cars, motorcycles, or other gasoline engines. - Workshop testing: perform fast ignition checks during routine maintenance in the shop.