... .0, Bluetooth&AV/IN Wireless camera & Radar Support DVR function car dvr gps dual camera with Bluetooth and DVR function, support ... 4 levels of volume: loud, medium, quiet and mute.3. City/Highway mode switch to eliminate false alert by auto-door ... viewPhoto Format: JPG, GIF, BMP, PNGE-bookText Format: TXT,Game car rear mirror with DVR ,4.3'inch GPS function,rear ...