【Us Local Service】Professional and Reliability，H.265+ compression effectively reduces the storage space by up to 75%. Adopt stream over TLS encryption technology which provides more secure stream transmission service. Adopt Hik Acusense technology to minimize manual effort and security costs. | 【Plug & Play】Up to 16-ch IP camera inputs, plug & play with 16 power-over_x0002_Ethernet (PoE) interfaces. Up to 160 Mbps incoming bandwidth. Network & Ethernet Access, 16 independent PoE network interfaces, 1 self-adaptive 10/100/1000 Mbps Ethernet interface, Hik-Connect for easy network management. | 【Smart Function】All channels support Motion Detection 2.0. 1-ch facial recognition for video stream, or 4-ch facial recognition for face picture. Smart search for the selected area in the video, and smart playback to improve the playback efficiency. Human/Vehicle Analysis：16-ch. Face picture comparison, human face capture, face picture search. | 【HD Video Output】Provide independent HDMI and VGA outputs. HDMI video output at up to 4K resolution. H.265+/H.265/H.264+/H.264 video formats. Incoming Bandwidth 160 Mbps, Outgoing Bandwidth 160 Mbps. | 【Storage and Playback】Up to 2 SATA interfaces for HDD connection (up to 10 TB capacity per HDD). 16-ch synchronous playback. Capacity: Up to 10 TB capacity for each HDD(HDD Not Included). | 【International English Version】 This Hik 16 channel 16 PoE Acusense NVR is INTERNATIONAL ENGLISH VERSION, model is DS-7616NXI-K2/16P. if you have any problems, please don't hesitate to contact us, we'll give you a satisfactory solution.