652F Car Spark Plug Tester Dual-Hole Simultaneous Spark Plug 110V/220V 0 to 6000rpm Operating FrequencyFeatures: brand new and high qualityFor testing the performance and strength of spark plugs.Simulates actual engine conditions and works up to 6000rpm.It is for all spark plug tests for crankshaft engines and motorcycles on the market.Also test two holes at the same time and designed with a protective cover to ensure the safe operation of maintenance personnel during the test.12V Gasoline vehicles car spark plugs, 100V-240V input voltage.Specifications: Material: ABSSize: Approx.145x85x43mm/5.7x3.3x1.7inType: 110V/220VPackage Includes: 1x Spark Plugs Tester(110V/220V)Note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item.