BZseed Head Up Display, Car HUD Phone GPS Navigation Image Reflector, Cell phone Holder Mount, Universal Smart Mobile Cell phone Holder Mount - Black Function - BZseed GPS navigation hud image reflector can reflect GPS hud image clearly in front of your eyesight About hud - hud, namely head up display, is a method to display GPS navigation image on a reflector in front of your head Composition - BZseed GPS navigation hud image reflector is made up of 3 parts Safety and convenience- reflective panel is made of special organic material 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