Hikvision iDS-7732NXI-M4/X 32-ch DeepinMind M Series NVR, Intelligent analytics based on deep learning algorithm, Up to 24-ch perimeter protection, Up to 16-ch facial recognition for video stream, or up to 32-ch facial recognition for face picture, Up to 12-ch video structuralization, 4 SATA interfaces, Support multiple VCA (Video Content Analytics) events, Incoming Bandwidth: 320 Mbps, Outgoing Bandwidth: 400 Mbps, Configurable special camera smart functions, such as VCA detection (motion, line crossing, intrusion, etc.), heat map, ANPR and people counting, 100 to 240 VAC, 50 to 60 Hz.