Sell Dual Hole Car Spark Plug Tester Ignition Plug Analyzer Diagnostic Tool Automotive Spark Plug Detecto best price

Car Spark Plug Tester Detector with Dual Hole Advantage: Dual Hole Car Spark Plug Tester Detector hve 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. Usage: Test spark plug performance and ignition strength Attention Only compatible with 12V car Only compatible with 12mm spark plug Not compatible with European spark plug Frequency: 1000-6000 RPM/min Output: 12V 1A DC Input: 220V AC Our product is not a European plug, if you need a connector, please contact our customer service in time after placing the order Car Spark Plug Tester User Manual: 1.Place the Spark Plug into tester hole 1 or 2; If you want to compare the new spark plug and old one, place new spark plug into hole 1 and the old on into hole 2 2.Connect to power supply 3.Turn the key switch 4 clockwise to turn on tester, indicator 3 will light up, tester is now working at 1000rpm/min. 4. Again turn the key switch 4 clockwise,you can adjust the working frequency between 1000rpm to 5000rpm/min. The higher the frequency, the stronger the spark strength. Car Spark Plug Tester Using Note: 1. Please Turn Off Power before you place spark plug 2. The Spark Plug Tester is a high-voltage detector, so do not touch spark plug with hand at work to avoid danger. Package Includes: 1pc x Spark plug tester 1pc x Power Adapter