DH-DHI-NVR4208-8P-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)

PoE Port

8 ports, 10/100 Mbps, IEEE 802.3 af/at

General

Power Supply

100–240 VAC, 50/60 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

2.47 kg (5.45 lb)

Gross Weight

3.68 kg (8.11 lb)

Product Dimensions

375.0 mm × 327.9 mm × 53.0 mm (14.76'' × 12.91'' × 2.09'') (W × D × H)

Packaging Dimensions

451.0 mm × 147.0 mm × 425.0 mm (17.76'' × 5.79'' × 16.73'') (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