HUD Head up Displays GPS Car Altitude Meter Dual-Mode Chip Gesture Recognition USB Power Supply Universal H600GProduct Description Product Name Head Up Displays Convenient Gesture recognition switching without keystrokes Color Picture MOQ 10 PCS Car Make Universal Date After the GPS signal is normal, display the current date month day Value When switching functions, display the corresponding value, when there is no icon for the vehicle speed value Time Get the current time by GPS Altitude the current poster altitude Driving time the accumulated driving time