Features: 1.Screen 2.4 inch HD displaySmall and exquisite 2.Nano-technologyto eliminate LCD,more clear. 3.Auto power on/off: HUD start and off with vehicle started and shutdown, effective protection of the car battery;retaining the manual switch mode,more easy to control HUD. 4.Automatic and manual brightness adjustment mode,driving without glare 5.Plug and play, suitable for all cars Specification: Material: ABS+PC Model: G1 Screen type: LED Screen size: 2.4 inches Universal: compatible with all cars, trucks, bikes, & motorcycles. Package: 1 x Head Up Display 1 x USB Charger Wire 1 x Anti-slip Pad 1 x English User Manual GPS Speedometer is diffreent from Car Navigation