Adjustable Spark Plug Tester, Online Spark Plug Detector for Engine Ignition

Checks for missing ignition status.

Convenient to intuitively understand the operation of the ignition coil.

Easy to read - clearly visible white inscription that makes it easy to read the measurement deviation.

Depending on the color of the spark and the distance of the spark, you can determine the quality of the coil.

Installation with screws to adjust the spark gap, quick and easy. Prevent the ignition coil from igniting and burning out.