GW Security GW8074CHA4 4 Channel CCTV DVR Outdoor/Indoor Security Camera System with 4 x 1000TVL 720P Varifocal Zoom Surveillance Cameras 960H High Definition 4 Channel DVR with (4) 1000TV Line 2.8~12mm Varifocal Manual Zoom Cameras Support mobile surveillance by phones with Android, Blackberry, Symbian, and iPhone ,HDMI & VGA Support IE browser to remote view and 960H & D1 resolution Pre-installed 1TB Hard Drive and Pre-made BNC cables 1 Year Warranty and Free Life Time Tech Support From U.S.A.