Description: Stylish: With colorful backlight, this tachometer is fashionable and beautiful, also makes the gauge more eye-catching. Universal: This rotate speed meter is suitable for many kinds of cars as long as the car is powered by a 12V battery. Good performance: This tachometer is accurate and features a fast response speed, so you can easily know the engine rotation speed. Long-lasting: The housing is made of aluminum, this tachometer is durable, anti-wear, anti-deform and is not easy to break. Adjustable: The backlight color of this engine rotate speed meter can be adjusted freely and it also has auto changing mode. Specification: Material: Aluminum. Diameter: Approx. 12.7cm/5 inch. Color: White. Backlight: Colorful. Voltage: 12V. Suitable engine: 4/6/8 cylinders. Note: There might be a bit color distortions due to different computer resolutions. There might be a slight error due to different hand measurements. Package Includes: 1 Piece Tachometer.