GW Security 16 Channel Network NVR Security System with 12 x 2MP HD 1080p 2.8-12mm Varifocal Zoom 180ft IR PoE IP Camera Full 1080P Real-time Recording 16 Channel NVR with (12) 1080P 2.0 Megapixel 2.8~12mm Varifocal Manual Zoom POE IP Cameras Support mobile surveillance by phones with Android, Blackberry, 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, 64pcs Infrared LED, view up to 180 feet IR long distance Pre-installed 4TB Hard Drive with 1 Year Warranty and Free Life Time Tech Support From U.S.A.