GW 8 Channel 8MP UltraHD 4K (3840x2160) Audio & Video Motorized Zoom Home NVR Security System - 4 x Dome 8 Megapixel 2.8-8mm 3X Optical Zoom Waterproof IP PoE Cameras Built-in Microphone 8 Channel 8-Megapixel 4K (3840x2160) NVR with (4) UltraHD 4K 8MP 2.8~8mm 3X Motorized Zoom H.265 Outdoor/Indoor Waterproof Microphone Audio&Video PoE IP Dome Cameras Superior UltraHD 4K (8 Megapixel) Video Resolution with 2.8-8mm Motorized Varifocal Lens 35-120, 3x Optical Zoom, 16x Intelligent Digital Zoom, Record and Playback using an GW Onvif H.265 NVR, FTP or Blue Iris. With the Newest H.265 video compression technology, it allows you to save up to 50% more storage space and improves bandwidth efficiency. Each camera built-in Waterproof High Quality Microphone for Audio & Video Surveillance. Features Wide Dynamic Range & 3D DNR allowing you to see clearly in contrast lighting environment. 18pcs SMD LEDs, see up to 80ft in total darkness. IP67 Weatherproof and IK10 Vandalproof housing for Outdoor or Indoor use. View and Record in Widescreen with Remote Viewing on PC, Mac, iPhone, iPad, and Android devices. Plug&Play setting up is so easy! Simply connect the ip Cameras to NVR and download the smartphone App and scan the NVR QR code, you are ready to being live viewing and recording. Includes Motion Detection & Snapshot & Email Alerts & Power over Ethernet & Onvif Compatible & USB backup feature for peace of mind. NVR supports TWO SATA hard drives up to 16TB (2TB Hard Drive Pre-installed) with 1 Year Warranty and Free Life Time Tech Support From U.S.A.