Efficient Testing: Designed for rapid and accurate spark plug testing, this tool operates at a work frequency of 0-6000rpm, suitable for various engine types. Compatibility: Perfectly tailored for 12V auto engines, ensuring broad applicability for most vehicles. Design: Built to last with robust materials, ensuring prolonged use and reliability in diagnosing engine ignition issues. User-Friendly: Features dual holes for simultaneous testing, enhancing efficiency and saving time during diagnostic processes. Voltage: AC100-240V Plug Type:EU Plug,it applies to Indonesia, Germany, France, Spain, Italy and so on Color: Black & Blue Material: plastic Package Contents: 1 x Spark Tester Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.