Features: 1.Multifunction: HUD speedometer contains multiple functions such as speed, mileage, compass, satellite icon, speed unit switch, etc. 2.Alarm: Car digital speedometer including speeding alarm, fatigue driving reminder, ensure safe driving, give you better driving experience. 3.Wide Appliation: GPS speedometer is suitable for cars, motorcycles, SUVs, trucks, RVs, buses, etc. Has a wide range of application. 4.Compact Design: All data can be clearly seen on the dashboard, compact size and does not occupy space, more convenient and practical. 5.Easy Installation: Easy to install, no complex operation is required, just plug and play, convenient for using, save your time and energy. Specification: Item Type: HUD Speedometer Material: ABS+Metal Function: Speed, mileage, compass, satellite icon, speed unit switch Alarm: Speeding alarm, fatigue driving reminder alarm Fitment: Fit for cars, motorcycles, SUVs, trucks, RVs, buses