This A8 5.5inch car HUD head Up display with OBD2 interface plug with multi-color design, it can makes the screen more abundant and easier to read. It use nano-technology to eliminate unwanted reflections and can make display information more sharper. So buy this A8 5.5inch Car HUD Head Up Display with OBD2 Interface Plug Now Only $53.99. With Coupon Code: 026cdf at checkout.