GW Security VD4CH2C807 4 Channel Complete 960H Security Camera System with Remote Viewing (White) 960H Realtime High Definition 4 Channel DVR with (2) 1000TV Line 720P 2.8~12mm Varifocal Manual Zoom Cameras Support mobile surveillance by phones with Andriod, Balckberry, WinCE, Symbian, and iPhone ,HDMI & VGA Support IE browser to remote view and 960H & D1 resolution Pre-installed 500GB Hard Drive and Pre-made BNC cables 1 Year Warranty and Free Life Time Tech Support From U.S.A.