Dahua NVR 8ch 2HDD 256mbps H265 NVR4208-8P-EI

System

• Main Processor : Industrial-grade processor
• Operating System : Embedded Linux
• Operating Interface : Web; Local GUI

AI

• AI by Recorder : Face detection, face recognition, perimeter protection, and SMD Plus
• AI by Camera : Face detection; face recognition; perimeter protection; SMD Plus; people counting; stereo analysis; heat map

Perimeter Protection

• Perimeter Performance AI by Recorder (Number of Channels) : 2 channels, 10 IVS rules for each channel
• Perimeter Performance of AI by Camera (Number of Channels) : 8 channels

Face Detection

• Face Attributes : Gender; age group; glasses; expressions; face mask; beard
• Face Detection Performance of AI by Recorder (Number of Channels) : 1 channel (up to 12 face images/s each channel)
• Face Detection Performance of AI by Camera (Number of Channels) : 8 channels

Face Recognition

• Face Database Capacity : Up to 10 face databases with 20,000 images, with a total capacity of 2.5 G. Name, gender, birthday, address, credential type, credential No., countries & regions and state can be added to each face image
• Face Recognition Performance of AI by Recorder (Number of Channels) : 8-channel FD (by camera) + FR (by recorder),image stream: 12 face images/s
• 1-channel FD (by recorder) + FR (by recorder), video stream: 12 face images/s : Face Recognition Performance of AI by Camera (Number of Channels) : 8 channels

SMD Plus

• SMD Plus by Recorder : 4 channels: Secondary filtering for human and motor vehicle, reducing false alarms caused by leaves, rain and lighting condition change
• SMD Plus by Camera : 8 channels

Audio and Video

• Access Channel : 8 channels
• Network Bandwidth : AI disabled: 256 Mbps incoming, 256 Mbps recording and 256 Mbps outgoing / AI enabled: 180 Mbps incoming, 180 Mbps recording and 180 Mbps outgoing 
• Resolution : 16 MP; 12 MP; 8 MP; 6 MP; 5 MP; 4 MP; 3 MP; 1080p; 960p; 720p; D1; CIF
• Decoding Capability : AI disabled: 2-channel 16 MP@30 fps; 2-channel 12 MP@30 fps; 4-channel 8 MP@30 fps; 6-channel 5 MP@30 fps; 8-channel 4 MP@30 fps / AI enabled: 1-channel 16 MP@30 fps; 2-channel 12 MP@30 fps; 3-channel 8 MP@30 fps; 4-channel 5 MP@30 fps; 6-channel 4 MP@30 fps; 8-channel 1080p@30 fps
• Video Output : HDMI: 3840 × 2160, 1920 × 1080, 1280 × 1024, 1280 × 720 / VGA: 1920 × 1080, 1280 × 1024, 1280 × 720
• *Simultaneous/heterogeneous video sources output for VGA and HDMI is configurable.
• Multi-screen Display : 1st Screen: 1/4/8/9 / 2nd Screen: 1/4/8/9
• Third-party Camera Access : Panasonic, Sony, Samsung, Axis, Pelco, Arecont, ONVIF, Canon

Compression Standard

• Video Compression : Smart H.265+; H.265; Smart H.264+; H.264; MJPEG
• Audio Compression : G.711a; G.711u; PCM; G726

Network

• Network Protocol : HTTP; HTTPS; TCP/IP; IPv4/IPv6; UPnP; SNMP; UDP; SMTP; NTP; DHCP; DNS; IP Filter; PPPoE; DDNS; FTP; Alarm Server; IP Search (Support Dahua IP camera; DVR; NVS; etc.); P2P; auto register
• Mobile Phone Access : iOS; Android
• Interoperability : ONVIF 22.06(Profile T; Profile S; Profile G); CGI; SDK
• Browser : Chrome; IE9 and later; Firefox

Recording Playback

• Multi-channel Playback : Up to 8 channels
• Record Mode : General, motion detection; intelligent; alarm
• Backup Method : USB device and network
• Playback Mode : Instant playback, general playback, event playback, tag playback, smart playback

Storage

• Disk Group : Yes

Alarm

• General Alarm : Motion detection; privacy masking; video loss; scene changing; PIR alarm; IPC external alarm
• Anomaly Alarm
• Camera disconnection; storage error; disk full; IP conflict; MAC conflict; login locked; and cybersecurity exception
• Intelligent Alarm
• Face detection; face recognition; perimeter protection; SMD Plus; people counting; stereo analysis; heat map
• Alarm Linkage
• Record; snapshot; IPC external alarm output; audio; buzzer; log; preset; email

Port

• Audio Input : 1-channel RCA
• Audio Output : 1-channel RCA
• Alarm Input : 4 channels
• Alarm Output : 2 channels
• HDD Interface : 2 SATA ports, up to 16 TB.The maximum HDD capacity varies with environment temperature.
• USB : 2 (1 front USB 2.0 port, 1 rear USB 2.0 port)
• HDMI : 1
• VGA : 1
• Network Port : 1 (10/100/1000 Mbps Ethernet port, RJ-45)
• PoE Port : 8 ports, 10/100 Mbps, IEEE 802.3 af/at

General

• Power Supply : 100–240 VAC, 47-63 Hz
• Power Consumption : Total output of NVR is <10 W(without HDD) Total output power of PoE is 130W,the maximum output power of asingle port is 25.5W
• Net Weight : 2.51 kg
• Gross Weight : 3.66 kg 
• Product Dimensions : 375 mm × 329.3 mm × 53.0 mm (W × L × H)
• Packaging Dimensions : 451.0 mm × 147.0 mm × 425.0 mm (W × L × H)
• Operating Temperature : –10 °C to +55 °C
• Storage Temperature : –20 °C to +60 °C
• Operating Humidity : 10%–93% (RH)
• Installation : Rack or desktop
• Certifications : FCC: 47 CFR FCC Part15, SubpartB, Class A / CE-EMC: EN 55032:2015+A1:2020; EN IEC 61000-3-2:2019+A1:2021; EN 61000-3-3:2013+A1:2019+A2:2021; EN 55035:2017+A11:2020; EN 50130-4:2011+A1:2014 / CE-LVD: EN 62368-1:2014