1. FOR ALL VEHICLES This car head-up display HUD works for all cars, vehicles and trucks on the market. Like this overhead video display, built-in GPS signal receiving module.2. PLUG Simply connect the HUD display auto to the cigarette lighter and adjust the data to display it the first time you use it. This car GPS HUD turns on and off automatically with your car so it doesn't drain the battery. And it also has a convenient manual ON / OFF switch. The GPS head-up display of the is supplied with direct current via the vehicle's cigarette lighter cable.3. COLORFUL DISPLAY The multi-color display of the data displays makes this HUD screen more abundant and legible with a reflective film. And only shows the most important data, driving speed (KM / H, MPH), alarm for speed limit and direction signs in different colors. It doesn't interfere with your driving vision.4. CLEAR & BRIGHT VIEW The automatic and manual brightness adjustment mode makes it easier to read the display data, even during the day or under the sun.5. Multifunctional head-up display Display of driving speed, engine speed, water temperature, voltage, current fuel consumption, average fuel consumption, automatic brightness adjustment, switching and switching of the public mile.