Car Spark Plug Tester, No Complicated Steps With Indicator Light, Ignition Plug Diagnostic Tool, Convenient Easy To Operate, for Factory Home - Product Features
- The tester is designed to test spark plug performance and ignition intensity.
- With 2 test holes, two spark plugs can be tested at the same time, which is very convenient.
- Easy to operate, plug and play, no complicated steps, convenient and practical.
- With indicator light, it can display the status of the spark plug more intuitively and understand better.
- If you suspect that any spark plug is not working properly, you can compare and test to make an accurate judgment.