The High Voltage Tester is designed to help you diagnose and fix ignition system issues quickly and accurately. Connect the tester to the ignition coil and start the engine to check for spark discharge and electrical leakage. This tool is essential for anyone working on automotive ignition systems, providing reliable results for cars, trucks, and motorcycles. Features -Color:Multi -Material:Plastic -Size:11.50X9.00X4.00cm/4.52X3.54X1.57in -Leakage detection: ensures the ignition coil is safe to use by detecting any potential leakage, enhancing overall safety -Accurate results: the high voltage tester provides precise and reliable test results, crucial for effective automotive -Versatile use: suitable for various ignition coils, this high voltage tester is a versatile tool for different automotive needs -Easy to use: with a simple and straightforward design, this tester is easy to operate, making it ideal for both professionals and amateurs -Efficiency enhancement: by providing accurate testing, this device helps improve the performance and efficiency of ignition coils, leading to better engine operation Package list: 1 x spark plug tester