Automotive LCD Spark Plug Tester Tool with 200-9000RPM Adjustable Working Frequency

What’s in the package 1×Spark Plug Tester 1×Power Adapter 1×Jumper Cable Set 1×US to EU Plug Adapter 1×User Manual (Seven Languages) About this item 【Precise Digital Display and Control】- This spark plug tester features a clear LCD screen that displays the current working frequency (200-9000 RPM). The up and down buttons allow for precise adjustment of the frequency, while the real-time display enables accurate monitoring of the test, making it easy to assess spark plug performance. 【Wide RPM Range for Comprehensive Diagnosis】- This spark plug tester simulates engine speeds ranging from 200 to 9,000 RPM, allowing you to assess spark plug performance across a wide spectrum. The adjustable frequency helps diagnose problems such as weak sparks, misfires, or inconsistent performance at different engine speeds. It is compatible with a variety of spark plugs, making it suitable for both crankshaft engines and motorcycles. 【Three-Hole Comparison Testing】- The spark plug tester provides three