GW Security 16 Channel 4K NVR HDMI H.265 Security Network Video Recorder - Supports Up 16 X 4K 8MP /5MP /4MP /3MP 1080P Any ONVIF IP Cameras @ 30fps Realtime, Quick QR Code Smartphone Access, 3TB HDD 16-Channel NVR Supports Up to 4K 8MP/5MP/4MP/3MP/2MP resolution realtime preview&playback, 4K/1920P/1440P/1536P/1080p @ 30fps Realtime each CH Supports Motion Detection & Email Alerts & USB backup, VGA and HDMI (Maximum 4K HD 3840 x 2160) 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 Supports up to 16 virtually any ONVIF compliant IP cameras (H.265 & H.264 Compatible) It comes with 3TB Hard Drive Pre-installed and 1 Year Warranty and Free Life Time Tech Support From U.S.A.