✔ The head up display holder shows enough information directly to you, which allowing you to maintain constant focus on the traffic, with no extra distraction. It will reflect any HUD-based app information or GPS Navigation information clearly in front of your eyes, letting you see the navigation instructions clearly without lowering your head.✔ Up to 6 inches, this head-up display holder works for all HUD, cell-phone, GPS navigation and information display devices. It will open your magical journey. The widest reflective film makes you watch the screen easily and clearly. It is the travel essential and can keep safe for your journey.✔ This holder with fashionable techniques and modern designs that will be a good decoration to embellish your love car. It also comes with ABS + Organic glass board and high quality non-slip material with non-slip mat – no worry about your device will slide down.✔ Simply download and install the HUD APP or GPS navigation APP which you need on your mobile phone. Place our HUD holder on the car instrument panel, and then adjust the organic glass board to appropriate angle according to individual visual angle(usually visual angle is 45°). Finally, put your mobile phone or HUD above the holder.✔ If you use our holder with the mobile, please choose the reflection mode on your APP. For most clearly display, please tear off the protection film and protection paper card on the two side of organic glass board. Then Stick the transparent reflection film on the inside of the organic glass board.