Is touch screen : YES Built-in Screen : YES Din : Double Din RAM : 128Mb Special Feature : Wifi Function,Support Steering Wheel Control,Support 3G Network,Support 4G Network,Support Can-Bus Operating System : Android 11 Out Power : 4*45W Voltage : 12V Item Size : 9 inch Max External Memory : 128G ROM : 8G Special Features : Built-in GPS,Charger,Mobile Phone,MP3 Players,Voice Control,DSP,Carplay,Android Auto,Reversing Input,Split Screen Digital Media Format : Mp3,MP4,WMA,JPEG OSD Language : Chinese (Simplified),Chinese (Traditional),Albanian,Arabic,Azeri,Irish,Estonian,Belarusian,Bulgarian,Icelandic,Polish,PERSIAN,Boolean text (Dutch South Africa),Danish,German,Russian,French,Filipino,Finnish,Georgian,Haitian Creole,Korean,Dutch,Galicia,Catalan,Czech,Croatian,latin,Latvian,Lithuanian,Romanian,Maltese,Malay,Macedonian,Norwegian,Portuguese,Japanese,Swedish,Serbian,Slovak,Slovenian,Swahili,Thai,Turkish,Welsh,Ukrainian,Hebrew,Greek,Spain's Basque,Spanish,Hungarian,Armenian,ITALIAN,Yiddish,Hindi,Urdu India,indonesia,English,Vietnamese Resolution : 1280*720 Display Size : 9" OEM NO. : For Benz C-Class 3 W204 S204 2006-2011 For Vehicle s/Model : Mercedes-Benz Certification : CE Car Radio : For Benz C-Class 3 W204 S204 Bluetooth : Support WIFI : Support