Car Spark Plug Tester

• Compatibility feature: To test spark plug performance and ignition strength, apply to 12V gasoline vehiclescar spark plugs.

• Key parameter: You can adjust the working frequency between 1000rpm to 5000rpm/min, the higher thefrequency, the stronger the spark strength.

• Auxiliary judgment: lf you suspect any spark plug works improperly you could compare and test to makeaccurate judgment.

• Special lmprovement: The double hole of the car spark plug tester detector lgnition plug analyzerdiaanostic tool can be adiusted, The detector have two testing holes, you can test two spark plugs simultaneously.

• Pretested: 100% tested prior to leaving the factory ensures optimal performance and enhanced durability.