Supports Ultra 265/H.265/H.264 video compression formats16-channel inputCompatible with third-party IP cameras supported with ONVIF conformance to: Profile S, Profile G, Profile TSupports 1-ch HDMI and 1-ch VGA output simultaneouslyRecords HDMI at up to 4K(3840A-2160) resolution2 SATA HDD up to 10TB (sold separately)ANR technology enhances the storage reliability when the network is disconnectedSupports detection features such as face, intrusion, cross line, audio, defocus, scene change, auto-tracking, object left behind, and object removed. Also offers face search, behavior search, and people counting. Supports cloud-based firmware upgrades