Product Description for Adjustable Spark Plug Tester - Efficient and Portable Ignition Diagnostic Tool Fast Ignition System Diagnosis: This Adjustable Spark Plug Tester is designed to quickly diagnose problems across all ignition systems. Whether you're troubleshooting misfires or checking ignition strength, this tool provides fast and accurate results, ensuring your vehicle runs smoothly. Versatile Application: Suitable for a wide range of vehicles, this spark plug tester is essential for testing spark plug performance and ignition strength. It helps you determine the condition of your ignition system, making it an invaluable tool for both professional mechanics and DIY enthusiasts. Durable Construction: Crafted from high-quality and practical materials, this spark plug tester is built to last. Its robust construction ensures long-term use, providing reliable performance and durability even under frequent use in tough environments. Compact and Easy to Use: The tester's mini size and lightweight design make it incredibly portable, allowing you to carry it effortlessly to any location. Its simple operation means you can easily connect the tool between the spark plug and the plug wire, enabling quick diagnostics without complicated setups. Accurate Spark Detection: This tool helps you identify normal and faulty spark conditions. Normal sparks appear as a "purple blue and 2cm straight line," while a red or curved spark indicates a possible issue with the ignition coil. This precise detection aids in effective troubleshooting, helping you pinpoint and resolve ignition problems efficiently. Enhance your automotive toolkit with this Adjustable Spark Plug Tester, a must-have for efficient ignition system diagnostics. Its durable, portable, and easy-to-use design ensures you can quickly address ignition issues, providing peace of mind and optimal vehicle performance. Whether for professional use or home garage, this tool is your key to maintaining a reliable and efficient ignition system.