GW Security 16 Channel H.265 4K HDMI NVR / Network Video Recorder, 16CH PoE Ports - Compatible with 8MP / 5MP /4MP 1080P Realtime ONVIF IP Cameras (Pre-installed 2TB HDD, 4x HDD bay, up to 32TB total) 16-Channel H.265 / H.264 4K NVR Supports Up to 4K 8MP / 5MP/4MP/3MP resolution @ 30fps realtime liveview&playback 16 Channel POE Switch build-in, supports VGA and HDMI (Maximum HD 4K - 3840x2160 resolution) output Plug & Play setup, Easy to configure, access and control. Scan QR Code on NVR from Free app to instantly access live viewing and playback for your iPhone, Android, PC, Mac, iPad, and Tablets Compatible with virtually any ONVIF compliant Third-party IP camera. Support Motion Detection & Snapshot & Email Alerts & USB backup feature for peace of mind. Pre-installed 2TB Hard Drive. 1 Year Warranty and Free Life Time Tech Support From U.S.A. ( 4 SATA HDDs, max 8TB of each, support up to 32 TB total)