⚡Spark Plug Tester with Dual Test Holes Plug:110V-US ✅No longer afraid of strong

✅No longer afraid of strong ultraviolet rays

-Please store in a cool and dry place

✅Easy To Clean: The wipes have amazing self-cleaning ability

1×Double Head Ring

DDR3 Capacity: 64G

⚡Spark Plug Tester with Dual Test Holes Plug:110V-US ✅No longer afraid of strongFEATURES 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