Hikvision iDS-7232HQHI-M2/XT 32 Channel 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 24*1080P@30fps decoding ability, Support All channels Motion Detection technology, 8-ch (up to 40-ch) IP Video Input, 256Mbps Total Bandwidth, 2 SATA interfaces (Up to 12 TB capacity for each disk), 12 VDC, 5A.