Features: 1.Stable GPS Signal: GPS HUD display, signal data can be obtained through GPS or Beidou satellite, dual channel module, the signal is more stable. 2.High Screen Resolution: Adopt high definition LCD display, use light source sensor to sense light intensity and adjust screen brightness. 3.Multifunction: Safety protection level, the main functions include speed, time, date, altitude, total mileage, overspeed warning, fatigue driving reminder, etc. 4.Fully Automatic Monitoring: The working environment and technical indicators start with the car, and the automatic sleep function when parking. 5.Universal: The stylish carbon fiber style enhances the interior of the car. Built in 450MAH battery, long battery life. Applicable to all models on the market. Specification: Item Type: HUD GPS Speedometer_x000D_ Material: ABS, PC_x000D_ Operating Temperature: -40-+80_x000D_ Speed Accuracy: