Here is an app connected NVR with 4K UHD recording capability that lets you capture video at home, schools, farms and other place of business. The Tenda N6P-16H is a 16-channel network video recorder. It is compatible with a variety of security cameras and supports H.265+, H.265 and H.264 encoding.
This network video recover combines with the TDSEE app to let you monitor videos on your phone. You get notifications when something abnormal happens. The N6P-16H supports up to 10TB HDDs. It has smart power control to prevent device over-run.[where to get it]