Hikvision DS-7616NXI-K2 (E) All-channels AcuSearch&Smart Search**. All-channels Motion Detection

All-channels AcuSearch&Smart Search**. All-channels Motion Detection 2.0. Up to 2 channels video stream (4MP) Perimeter Protection. Facial Recognition for up to 8 channels picture stream or 2 channels video stream(4MP); Support 16 face libraries, up to 20,000 face pictures in total***. 160Mbps input Max (up to 16-ch IP video). 2 SATA interface.