DAHUA TECHNOLOGY CO., LTD IP Network recorder 8 ch NVR4208-4KS3

System Main Processor Industrial-grade processor Operating System Embedded Linux Operating Interface Web, Local GUI AI AI by Recorder SMD Plus AI by Camera Face detection; face recognition; perimeter protection; SMD Plus; people counting; stereo analysis; heat map Perimeter Protection Perimeter Performance of AI by Camera (Number of Channels) 6 channels Face Detection Face Attributes Gender; age group; glasses; expressions; face mask; beard Face Detection Performance of AI by Camera (Number of Channels) 6 channels Face Recognition Face Recognition Performance of AI by Camera (Number of Channels) 6 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 6 channels Audio and Video Access Channel 8 channels Network Bandwidth AI disabled: 160 Mbps incoming, 160 Mbps recording and 80 Mbps outgoing AI enabled: 80 Mbps incoming, 80 Mbps recording and 60 Mbps outgoing Resolution 12 MP; 8 MP; 6 MP; 5 MP; 4 MP; 3 MP; 1080p; 960p; 720p; D1; CIF; QCIF Decoding Capability AI disabled: 1-channel 12 MP@30 fps; 2-channel 8 MP@30 fps; 3-channel 5 MP@30 fps; 4-channel 4 MP@30 fps; 8-channel 1080p@30 fps AI enabled: 1-channel 12 MP@30 fps; 1-channel 8 MP@30 fps; 2-channel 5 MP@30 fps; 3-channel 4 MP@30 fps; 7-channel 1080p@30 fps Video Output 1 HDMI, 1 VGA Simultaneous: HDMI: 3840 × 2160, 1920 × 1080, 1280 × 1024, 1280 × 720 VGA: 1920 × 1080, 1280 × 1024, 1280 × 720 Heterogeneous: HDMI: 1920 × 1080, 1280 × 1024, 1280 × 720 VGA: 1920 × 1080, 1280 × 1024, 1280 × 720 Multi-screen Display Main Screen: 1/4/8/9 Sub Screen: 1/4/8/9 Third-party Camera Access ONVIF; Panasonic; Sony; Axis; Arecont; Pelco; Canon; Hanwha Compression Standard Video Compression Smart H.265+; H.265; Smart H.264+; H.264 Audio Compression G.711a; G.711u; PCM; G726 Network Network Protocol HTTP; HTTPS; TCP/IP; IPv4; IPv6; UDP; NTP; DHCP; DNS; SMTP; UPnP; IP Filter; FTP; DDNS; SNMP; Alarm Server; P2P; Auto Registration; IP Search (Supports IP camera, DVR, NVS, etc.) Mobile Phone Access iOS; Android Interoperability ONVIF 22.12(Profile T; Profile S; Profile G); CGI; SDK Browser Chrome; IE; Safari; Edge; 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 (1-channel 12 V 1 A output) Disk Interface 2 SATA ports. Each disk can contain up to 20 TB. This limit varies depending on the 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) General Power Supply 12 VDC, 4 A Power Consumption Total output of NVR is <10 W(without HDD) Net Weight 1.49 kg (3.28 lb) Gross Weight 2.77 kg (6.11 lb) Product Dimensions 375.0 mm × 282.9 mm × 53.0 mm (14.76" ×11.14" × 2.09") (W × D × H) Packaging Dimensions 433.0 mm × 141.0 mm × 366.0 mm (17.05" × 5.55" × 14.41") (W × D × H) Operating Temperature –10 °C to +55 °C (14 °F to +131 °F) Storage Temperature –20 °C to +60 °C (–4 °F to +140 °F) Operating Humidity 10%–93% (RH), non-condensing Installation Rack or desktop Certifications 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