Spark Plug Tester with Dual Test Holes Plug:220V-EU it leaves a refreshing and

it leaves a refreshing and advanced scent

save time and labor

even in a low temperature state

Easy to Use & Effectively Remove Hard

providing exceptional illumination and convenient features

Spark Plug Tester with Dual Test Holes Plug:220V-EU it leaves a refreshing andFEATURES DUAL HOLE SIMULTANEOUS TESTING: Allows simultaneous testing of two spark plugs, enabling quick comparison and diagnosis of ignition issues in multiple cylinders. ADJUSTABLE WORKING FREQUENCY: The adjustable frequency range (up to 6000 RPM) accommodates different engine types and conditions, ensuring accurate testing across various vehicles. PROTECTIVE COVER DESIGN: Features a robust protective cover that shields users from potential sparks