Up to 40 Mbps incoming bandwidth Adopt Hikvision Acusense technology to minimize manual effort and security costs All channels support Motion Detection 2.0 1-ch facial recognition for video stream, or 2-ch facial recognition for face picture Smart search for the selected area in the video, and smart playback to improve the playback efficiency H.265+ compression effectively reduces the storage space by up to 75% Adopt stream over TLS encryption technology which provides more secure stream transmission service Provide simultaneous HDMI and VGA outputs HDMI video output at up to 4K resolution Up to 1 SATA interface for HDD connection (up to 10 TB) 4-ch synchronous playback Network & Ethernet Access   1 self-adaptive 10/100/1000 Mbps Ethernet interface Hik-Connec

Facial Recognition Facial Detection and Analytics Face Picture Library Facial Detection and Analytics Performance Face Picture Comparison Face picture comparison, human face capture, face picture search Up to 16 face picture libraries, with up to 20,000 face pictures in total (each picture ≤ 4 MB, total capacity ≤ 1 GB) 1-ch human face capture 2-ch face picture comparison alarm Motion Detection 2.0 Human/Vehicle Analysis Video and Audio IP Video Input Incoming Bandwidth Outgoing Bandwidth HDMI Output Video Output Mode CVBS Output Audio Output Two-Way Audio 1-ch, RCA (2.0 Vp-p, 1 KΩ, using the...

Auxiliary Interface SATA Front panel: 1 × USB 2.0; Rear panel: 1 × USB 2.0 Alarm In/Out General Power Supply Working Temperature Working Humidity Part 15 Subpart B, ANSI C63.4-2014 Note:  Alarm in/out can be optional for certain models. If you select a device model with "/Alarm4+1", then the device will have 4 alarm inputs and 1 alarm outputs.  Facial recognition and motion detection 2.0 cannot be enabled

Physical Interface Power supply Power switch HDMI interface