DC5-24V Car GPS Multi-function Speedometer HUD Head-up Display Compass Altitude Temperature Humidity

Feature 1 Display Speed display up to 999Km h The metric mile unit can be switched by pressing the key For overspeed alarm 40 200Km h alarm can be set Press the key to adjust it step by step in 5km h The default alarm is 90km h when the machine is turned on and the data is saved when the machine is turned off 2 Mileage display Total mileage display which can display 9999Km accumulatively will be saved after power failure and can be reset and switched to mile unit by pressing the key Single mileage and altitude switch display Single mileage can be stored 999999Km accumulatively It will be saved after power failure It can be reset by pressing the key it can be switched to mile unit After GPS positioning the altitude unit will be displayed in meters and the display will be switched at 15s intervals 3 Display of temperature humidity date voltage Display of ambient temperature which can be switched between Celsius and Fahrenheit units by pressing the key Air humidity display Date display MM DD YY the display will be accurate after GPS positioning and the display will switch to voltage display for 10s Voltage display alternating with the date for 10s 4 Time zone setting Set the time zone by pressing the key After pressing the key to enter the time zone the eastern eighth zone Beijing time will be displayed by default After entering the time zone it needs to be adjusted to 09 00 It will be automatically saved after 3s and it will be saved