Spark Plug Tester Dual Holes Spark Tester for 12V Gasoline Vehicles Ignition Coil Tester Working Frequency 500-6000rpm with Protective Cover by

Spark Plug Tester Dual Holes Spark Tester for 12V Gasoline Vehicles Ignition Coil Tester Working Frequency 500-6000rpm with Protective Cover Specification: Application Range: 12V gasoline vehicles car spark plugs Power Adapter: Input 100-240V AC / Output 12V 1A DC Simulated Engine Speed Range Control: 500-6000 Spark Plug Inner Hole Diameter: 12mm How To Work 1.Place the spark plug in the test hole 2.Cover the protective cover 3.Connect the power supply & adjust the working frequency 4.Observe the spark plug test status through the protective cover Kindly Note 1.Please turn off power before placing spark plug. 2. The spark plug tester is a high-voltage detector, so do not touch spark plug with hands at work to avoid danger. 100% Hassle-Free Purchase If for any reason you don't like the spark plug tester, we will offer a replacement or a full refund for no reason. If you have any questions, please feel free to contact us, we will help you as soon as possible.

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