lsqSTAR 7 Inch In Dash Double Din Touch Screen Car DVD for Buick: 2008-09 Enclave & 2008-09 Lucerne/GMC: 2007-10 Yukon Denali & Acadia(2007-11) & 2008-10 Sierra/Chevy: 2007 - 10 Silverado & 2007-10 Tahoe & 2007-10 Suburban & 2007-10 Avalanche & 2006-09 Impala & 2006-07 Monte Carlo & 2007-08 Aveo & 2008 Express/Saturn: 2007-09 Outlook & 2008-09 Vue with Radio,GPS,DVD,BT P.book Searching,3G with Radio,GPS,DVD,BT P.book Searching,3G,Steering wheel Car Stereo Special for Buick: 2008-09 Enclave & 2008-09 Lucerne/ GMC: 2007-10 Yukon Denali & Acadia(2007-11) & 2008-10 Sierra/ Chevy: 2007 - 10 Silverado & 2007-10 Tahoe & 2007-10 Suburban & 2007-10 Avalanche & 2006-09 Impala & 2006-07 Monte Carlo & 2007-08 Aveo & 2008 Express/ Saturn: 2007-09 Outlook & 2008-09 Vue; Free 4GB US Map Card Wince 6.0 Operating System;7 inch double din in dash HDdigitaltouchscreen;800*480pixes high resolution Built in bluetooth for hand free phone calling; Multi-language Supported Plug and Play,easy installation, no need to change original wires; Warranty Time: 1 year Support DVD, BT Phonebook, Ipod, USB, ATV, GPS, MP4/MP5, 3G, Bluetooth,Steering Wheel Control, Rear Camera Input, AM/FM RDS Radio, Support External DVB-T Box(not included)