Dahua NVR2104-P-4K 4CH Network Video Recorder

System

Main Processor

Industrial-grade processor

Operating System

Embedded Linux

Operating Interface

Web, Local GUI

AI

AI by Recorder

SMD Plus

AI by Camera

Perimeter protection; SMD Plus

Perimeter Protection

Perimeter Performance of AI by Camera (Number of Channels)

4 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

4 channels

Audio and Video

Access Channel

4 channels

Network Bandwidth

80 Mbps incoming, 80 Mbps recording and 60 Mbps outgoing

Resolution

12 MP; 8 MP; 5 MP; 4 MP; 3 MP; 1080p; 720p; D1

Decoding Capability

AI disabled: 1-channel 12 MP@30 fps; 1-channel 8 MP@30 fps; 2-channel 5 MP@30 fps; 3-channel 4 MP@30 fps; 6-channel 1080p@30 fps AI enabled: 1-channel 8 MP@30 fps; 1-channel 5 MP@30 fps; 2-channel 4 MP@30 fps; 4-channel 1080p@30 fps

Video Output

1 HDMI, 1 VGA HDMI: 3840 × 2160, 1920 × 1080, 1280 × 1024, 1280 × 720 VGA: 1920 × 1080, 1280 × 1024, 1280 × 720

Multi-screen Display

1/4

Third-party Camera Access

ONVIF

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; UDP; NTP; DHCP; DNS; SMTP; IP Filter; DDNS; IP Search (Supports IP camera, DVR, NVS, etc.); P2P; Auto Registration

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 4 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

Alarm

General Alarm

Motion detection; camera external alarm; PIR alarm

Anomaly Alarm

Error (no disk, disk error, low space, low quota space; network disconnection; IP conflict; MAC conflict); video loss; video tampering; camera offline

Intelligent Alarm

Perimeter protection; SMD Plus

Alarm Linkage

Recording; snapshot; buzzer; log; preset; email; tour

Port

Audio Input

1-channel RCA

Audio Output

1-channel RCA

Alarm Input

NA (2 channels are optional)

Alarm Output

NA (1-channel 12 V 1 A output is optional)

HDD Interface

1 SATA port. Each disk can contain up to 20 TB. this limit varies depending on the environment temperature.

USB

2 (2 rear USB 2.0 ports)

HDMI

1

VGA

1

Network Port

1 (10/100 Mbps Ethernet port, RJ-45)

PoE Port

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

General

Power Supply

53 V DC, 1.22 A

Power Consumption

Total output of NVR is <10 W (without HDD) Total output power of PoE is 36 W, the maximum output power of a single port is 25.5 W

Net Weight

0.48 kg (1.06 lb)

Gross Weight

1.42 kg (3.13 lb)

Product Dimensions

204.6 mm × 206.4 mm × 45.6 mm(8.06″ × 8.12″ × 1.80″) (W × D × H)

Packaging Dimensions

364.0 mm × 96.0 mm × 261.0 mm(14.33″ × 3.78″ × 10.28″)(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-LVD: IEC 62368-1:2014 CE-EMC: EN IEC 61000-3-2:2019, EN 61000-3-3:2013+A1:2019, EN 55032:2015+A11:2020, EN 55035:2017+A11:2020, EN 55024:2010+A1:2015, EN 50130-4:2011+A1:2014