Head-Up Display Driving Computer Speed Projector Overspeed Alarm

M1 displays speed, with speeding alarm and fatigue warning function, GPS compass shows direction. Speed is available in MPH and KM/H units, which can be adjusted in the setting. When there is over speed or continuous driving for too long, the product will emit a beeping sound to remind the driver, which is like a safety supervisor, always remind the driver to pay attention to driving safety, placing a mini M1 HUD inside the car will definitely add a lot of fun.