1、Essential Driving Data - Displays speed, driving direction, driving time, driving distance, altitude & more. No need to take your eyes off the road. 2、Auto Power On/Off - HUD Head-Up Display auto powers on/off with vehicle start & shutdown. 3、Easily switch between KM or Mile speed unit, verry convenient to use. 4、Featuring a speed alarm and fatigue driving reminder, giving you the ultimate display without compromising your safety. 5、Digital Display - 4 inch digital LED display, clear readout & visibility during daytime or nighttime driving. Features: Essential Driving Data - Displays speed, driving direction, driving time, driving distance, altitude & more. No need to take your eyes off the road. Auto Power On/Off - HUD Head-Up Display auto powers on/off with vehicle start & shutdown. Easily switch between KM or Mile speed unit, verry convenient to use. Featuring a speed alarm and fatigue driving reminder, giving you the ultimate display without compromising your safety. Plug & Play - No hassle installation, it is suitable for all vehicles. Digital Display - 4 inch digital LED display, clear readout & visibility during daytime or nighttime driving. Specification: Condition: 100% Brand New Material: ABS Color: Black Screen Size: 4 inch Product Size: 115 * 66 * 12mm/4.5 * 2.6 * 0.5in Fitment: Universal Package Weight: Approx. 255g/9oz Package List: 1 * Host 1 * User Manual 1 * Reflection Film 1 * Non-Slip Grip Mat 1 * Power Cable