Advanced Ignition Testing: Equipped with dual testing holes, the DY28 Tester is a must-have for diagnosing and repairing vehicle ignition systems. Compatible with 100V-240V power sources, it offers versatile use in different environments. Efficient and Reliable: This tool quickly identifies defective spark plugs, helping you to avoid engine misfires and poor economy. It's designed for both professionals and enthusiasts who demand accuracy and efficiency in their automotive tools. User-Friendly Design: The DY28 features an intuitive interface that makes it easy to operate, even for beginners. Its compact and design ensures it can withstand the rigors of garage and field work. Plug Type:US Plug,it applies to Canada, India,Mexico, Thailand, the , the Philippines,Taiwan and so on. Voltage:AC100-240V Color: Green + Black Material: Plastic+Metal Package Contents: 1 x Double hole 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.