Model Number: ZY6326AD Brand Name: BOSSCAR Key Specifications/Special Features: Video navigation reversing camera system interface for Audi A4L/Q5/A51.Nondestructive upgrade, retain the real function2.Handwritten navigation3.Reverse trajectory images4.Support 360 degree panorama5.Freely select the DVD function configuration.6.Support video playback7.Wireless phone Interconnection8.Support play and plug of the easy installation.Compatible models: for Audi A4L/Q5/A5