GW Security 4 Channel 1080P PoE NVR HD IP Security Camera System with 2 Indoor/ Outdoor 2.8-12mm Varifocal Zoom Night Vision 960P Security Cameras Pre-Installed 500GB HDD Network Remote Access High End 4 Channel Full 1080P NVR with (2) 960P 1.3 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, 42pcs Infrared LED, view up to 120 feet IR long distance Pre-installed 500GB Hard Drive with 1 Year Warranty and Free Life Time Tech Support From U.S.A.