Durable material Made from premium rubber for long life, this spark tester delivers stable performance in extreme temperature settings. Clear identification Diagnoses issues quickly to enable efficient repairs and provides clear visibility of spark states for fast device diagnosis. Effective troubleshooting Addresses engine problems rapidly with intelligent LED signals, clear indicators, and distinct color cues for different spark states. Easy to use Connect and start your engine smoothly. No complex tools or skills required, delivering a convenient and efficient experience. Use scenarios - Automotive diagnostics: quickly verify ignition spark and identify misfires during routine car maintenance. - Small engines and generators: test spark states on generators or motorcycles to confirm ignition health before operation. - On-site troubleshooting: diagnose ignition-related problems in the field with clear LED signals and color indicators for rapid decisions.