Features: Diagnose injector problem with ease use Professional Injector Tester a powerful scan tool for accurate testing. This tester allows for easy adjustment of frequency and width, providing control over testing parameters. Suitable for auto enthusiasts and repair expert, this tester is essential for evaluating injector performances. From professional repair shop to enthusiasts, this tester is perfect for testing injectors in various setting. Take your injector testing to level with Professional Injector Tester Ehances diagnostics and improve overall performances. Specifications: Material: Plastic Voltage: 12V Package Includes: 1 Set Gasoline Injector Tester note: Please allow 1-2cm errors due to manual measurement. Due to difference between different monitors, the picture may not reflect the item actual color.