HUD Head Up Display Model Motorum ECT Key benefits - See driving speed reflected directly on the windshield, keeping eyes on the road - Large font with adequate backlight for clear readability on daytime and nighttime conditions - No internal battery; powers from the vehicle ACC for automatic on/off as the car powers on or off How it works - The display projects the car speed onto the windshield as a reflection - It activates with the vehicle ACC power and turns off when ACC is off Speed units and compatibility - Displays speed in mph or km/h (selectable) - If you need dual mph and km/h units, see the other GPS HUD indicator screen model that supports both - Designed for vehicles with ACC power; no standalone battery Specifications and usage - Large font design enhances readability on the windshield - Model: Motorum ECT Use scenarios - City driving: speed is visible without glancing down at the dash - Highway cruising: quick speed reference for safer lane changes and speed control - Night driving: readable display maintains visibility against the windshield in low light