4 Channel NVR Network Security Camera System - 1080P Indoor Vari-focal Dome Cameras, 80ft IR Night Vision High End 4 Channel Full 1080P NVR with (4) 1080P 2.0 Megapixel 2.8~12mm Varifocal Manual Zoom Outdoor / Indoor POE IP Cameras Support mobile surveillance by phones with Andriod, Balckberry, WinCE, Symbian, and iPhone ,HDMI & VGA Power over Ethernet setup is clean and simple with a single network cable, built-P2P service and support ONVIF agreement and QR Code Scan Built in 2.8~12mm Manual Zoom Varifocal Lens which allow you to adjust the angle of View, 30pcs Infrared LED, view up to 80 feet IR distance Pre-installed 1TB Hard Drive with 1 Year Warranty and Free Life Time Tech Support From U.S.A.