Car hud head-up display obd driving computer high-definition display speed water temperature voltage windshield projector

OverviewMulti-function switching display of vehicle speed/water temperature/voltage/single driving mileage, 5-day alarm function of overspeed alarm/fault alarm/water temperature alarm/rest reminder/low voltage alarm to improve driving safety, new low-power chip, extremely low standby power consumption, start with the car, park and sleep, intelligently adjust the display brightness according to the intensity of light to achieve better display effect, clear display even when driving in the sun during the day, speed lubrication effect, no speed jump, more coherent and smooth display