GPS Navigation Car Multimedia Interface for AUDI A3 Reverse Camera Video Input

GPS Navigation Car Multimedia Interface for AUDI A3 Reverse Camera Video Input Item Description This Navigation Video Interface is designed to integrate the GPS navigation function, bluetooth, video sources to your car's original screen. It's easy installation, plug and play. After installed it, you can enjoy these functions followings: - R-gear, display the rear view image and parking guidelines - Exit R-gear, displays the front visible image - Add external digital TV tuner