Function - BZseed GPS navigation hud image reflector can reflect GPS hud image clearly in front of your eyesight</br>About hud - hud namely head up display is a method to display GPS navigation image on a reflector in front of your head</br>Composition - BZseed GPS navigation hud image reflector is made up of 3 parts</br>Safety and convenience- reflective panel is made of special organic material</br>Size - base size: 6.3''(length) x 3.7''(width) x 0.5''(thickness) screen size: 5.9'' suitable for iPhone Samsung as well as most other smart phones</br></br>Product Description</br></br>Function - BZseed GPS navigation hud image reflector can reflect GPS hud image clearly in front of your eyesight letting you see navigation clearly without lowering head bringing safety convenience and joy for driving. About hud - hud namely head up display is a method to display GPS navigation image on a reflector in front of your head so that you can see it without lowering head while driving. Almost all navigation apps have hud mode. When entering hud mode map navigation image will be changed into bright arrow directing navigation image which is very cool and clearer to see when projected to reflector in front of you. Note: Reflecting button shall be clicked to ensure correct arrow direction. Composition - BZseed GPS navigation hud image reflector is made up of 3 parts. 1st?? ha