G3 Car 5.5 inch HUD Head-up Display HD GPS Speed Alarm Odometer

1. Automatically turn on and off as the car starts and stops.2. Alarm functions Improve driving safety:(1). Overspeed alarm：Alarm when the vehicle speed reaches the set default value of 150KM/H (30-250 setting)(2). Fatigue driving: Reminder after continuous driving exceeds the default value of 4.0 hours（1-8h setting）3. The altitude is collected by satellite and is not affected by naturul factors such as weather.Very high positioning accuracy.4. GPS Compass: Display the forward direction while driving,so that your journey is not yaw.5. Display information: speed, time, number of satellites, driving distance, driving time, compass direction, driving direction angle, altitude, acceleration time per 100 kilometers6. Alarm function: fatigue driving reminder, speeding alarm