Ignition Spark Plug Tester 100 240V Dual Hole Automotive Diagnostic Tool for Engine Troubleshooting Features:<br> <br> 1.Dual Hole Car Spark Plug Tester Detector have two testing holes, you can test two spark plugs meanwhile.<br> 2.If you suspect any spark plug works improperly you could compare and test to make accurate judgment.<br> 3.To test spark plug performance and ignition strength, apply to 12V gasoline vehicles car spark plugs.<br> 4.The double hole of the car spark plug tester detector ignition plug analyzer diagnostic tool can be adjusted.<br> 5.You can adjust the working frequency between 1000rpm to 5000rpm/min, the higher the frequency, the stronger the spark strength.<br> Specification:<br> Features:<br> 1. Dual Hole Car Spark Plug Tester Detector have two testing holes, you can test two spark plugs meanwhile.<br> 2. If you suspect any spark plug works improperly you could compare and test to make accurate judgment.<br> 3. To test spark plug performance and ignition strength, apply to 12V gasoline vehicles car spark plugs.<br> 4. The double hole of the car spark plug tester detector ignition plug analyzer diagnostic tool can be adjusted.<br> 5. You can adjust the working frequency between 1000rpm to 5000rpm/min, the higher the frequency, the stronger the spark strength.<br> Specification:<br> Condition: 100% New<br> Material: Plastic + Metal<br> Plug: US Plug<br> Voltage: 100-240V<br> Fitness: for Ford Toyota General Holden Patrol ZD30 D40 D4D 4WD Turbo Charge Diesel<br> Weight: Approx. 350g<br> Package List:<br> 1 x Tester<br> 1 x User Manual<br> 1 x Power Adapter<br> 1 x Plug<br> PackageList: