WiiYii H3 GPS-Enabled LED Head-Up Display Easy Plug-in Smart Gauge Car HUD Hot Sale Speed Clock Diagnostic Tool
Item No.: H3
Vehicle speed(Km/h or MPH can switch),clock,compass,over speed alarm,singledriving distance, driving time, Fatigue driving reminder, total mileage,has setting button,RGB lights
manual or auto adjust the brightness, alarm sound switch, auto pwer on/off