Hikvision DS-7616NXI-K2 (D) All-channels Motion Detection 2.0 Facial Recognition for up to 4

All-channels Motion Detection 2.0 Facial Recognition for up to 4 channels picture stream or 1 channels video stream; Support 16 face libraries, up to 20,000 face pictures in total; 160Mbps Bit Rate Input Max (up to 16-ch IP video), 2 SATA interfaces,