GW Security VD8CH6C50HDSDI 8 Channel HD SDI DVR 1080P Security Camera System with 6 x 2.1 MP Varifocal Zoom Outdoor Cameras and 1TB Hard Drive (Grey) HD-SDI 8 Channel DVR with (6) 2.1 MP 1080P 2.8~12mm Varifocal Manual Zoom Cameras, up to 164 feet IR Support mobile surveillance by phones with Android, Blackberry, WinCE, and iPhone ,HDMI & VGA Support IE browser to remote view and 1080P high resolution, digital Zoom 1X~10X (Button Control) Pre-installed 1TB Hard Drive and Pre-made RG59 Combo cables 1 Year Warranty and Free Life Time Tech Support From U.S.A.