Adjustable Dual Hole Car Spark Plug Tester Spark Plug Detector 12V Gasoline Vehicles Spark Plug Test Diagnostic Tools(US Plug) AhaStyle Light source: 8 LED lights

Light source: 8 LED lights (adjustable brightness)

The car seat cover has multiple mesh pockets

Scope of application: Suitable for Chevrolet / Jeep Wrangler / Cherokee / Ford / Bus / Truck etc

and the WiFi version does not need a gateway

125mm (1mm=8 dots)

Adjustable Dual Hole Car Spark Plug Tester Spark Plug Detector 12V Gasoline Vehicles Spark Plug Test Diagnostic Tools(US Plug) AhaStyle Light source: 8 LED lightsFeatures 1. Car Spark Plug Tester Detector with Dual Hole Advantage: Dual Hole Car Spark Plug Tester Detector have two testing holes, you can test two spark plugs meanwhile and and if you suspect any spark plug works improperly you could compare and test to make accurate judgment. 2. Usage: Test spark plug performance and ignition strength. 3. Application Range: 12V Gasoline vehicles car spark plugs. Principle: 1. In automobile ignition system, the