Clear and bright meter with dual display has adjustable 7 color LED backlight.With button on the mirror surface of meter, light color can be switched as you want.It is made of good quality metal and ABS material, wear resistant to use.Diameter of meter is 5.2cm. Designed with high speed, stepper motor featuring fast response speed.It is suitable for all 12V cars.Item Name: Turbo Boost GaugeMaterial: Metal,ABSCompatible Models: UniversalWorking Current: IGN MAX 0.3A ILM 0.3APower Supply Voltage: DC (10-15V) 12V ProfessionalSize Details: Diameter: 5.2cm/2" (Approx.)Notes:Due to the light and screen setting difference, the item's color may be slightly different from the pictures.Please allow slight dimension difference due to different manual measurement.Package Includes:1 x Turbo Boost Meter1 x Wiring Harness1 x Boost Sensor1 x PVC Hose1 x T-type Connector1 x Screw Button1 x User Manual