Warranty:1 year Processor Speed:8 core Is touch screen:YES Built-in Screen:YES TF/Micro SD Slot:1 Din:Double Din RAM:8G Interface:plug and play Special Feature:Built-In Speaker/Microphone,Wifi Function,Support Steering Wheel Control,Support 3G Network,Support 4G Network,Support Can-Bus Operating System:Android 12 Out Power:4*45W Voltage:12V Material Type:Metal and Plastic Item Weight:1.7kg Item Size:9 inch Max External Memory:256G ROM:256G Special Features:Built-in GPS,Mobile Phone,MP3 Players Digital Media Format:Mp3,MP4,WMA,JPEG OSD Language:Chinese (Simplified),Chinese (Traditional),Irish,Belarusian,Bulgarian,Danish,German,Russian,French,Filipino,Finnish,Korean,Dutch,Catalan,Czech,Romanian,Maltese,Malay,Portuguese,Japanese,Swedish,Slovak,Slovenian,Swahili,Thai,Turkish,Ukrainian,Spanish,ITALIAN,Indonesia,English,Vietnamese Resolution:2000*1200/1280*720 Display Size:9" Brand Name:navifly Origin:Mainland China For Vehicle Brands/Model:GREAT WALL Certification:CE,FCC,RoHS USB DVR:support Wifi/BT5.1:2.0GHZ Microphone:2000*1200 Steering wheel control:cooling fan Android Auto:Built-in cooling fan:8G+256G Full AV Output:1280*720 OS::Android 12 Wifi/4G LTE:Wireless Carplay DAB/DSP/OBD/TPMS:DTS