Hikvision iDS-7216HQHI-M1/XT 16-ch 1080p AcuSense DVR, Support 4-ch Facial Recognition or 8-ch advanced model Perimeter Protection based on Deep Learning algorithm, Support HDTVI Two-Way Audio technology, Efficient H.265 pro+ compression technology, Encoding ability up to 3K/5MP Lite@12fps, Up to 16*1080P@30fps decoding ability, 5 signals input adaptively (HDTVI/AHD/CVI/CVBS/IP), Support All channels Motion Detection technology, Total Bandwidth: 256 Mbps, 1 SATA interface (up to 12 TB capacity for each disk), 12 VDC, 2 A.