Auto Power On GPS HUD Multi Function Trip Computer Automatical Brightness Adjustable

Multifunction Trip Computer Automatical Brightness Adjust Auto Power On GPS HUD A1 GPS HUD Function: 1. vehicle speed 2. driving direction (North, West, South, North) 3. over speed alarm 4. Speed unit KM/H and Mile can be adjusted. 5. Altitude (unit is Meter) 6. Local time(get by satellite) 7.Over Speed Alarm Over speed alarm setting: In the speed display mode, directly press the up or down keys to adjust. Every press means five kilometers increased or decreased. Set the