NVR DAHUA REF: NVR5232-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; SMD Plus

AI by Camera

Face detection; face recognition; video metadata (human, motor vehicles, and non-motor vehicles); perimeter protection; SMD Plus; stereo analysis; crowd distribution; people counting; ANPR; vehicle density; heat map

AcuPick AI by Camera + Recorder

Max. 32-channel, 1 combined event per channel/s

Perimeter Protection

Perimeter Performance AI by Recorder (Number of Channels)

4 channels, 10 IVS rules for each channel

Perimeter Performance of AI by Camera (Number of Channels)

All channels (16 targets/s)

Face Detection

Face Attributes

Gender; age group; glasses; expressions; face mask; beard

Face Detection Performance of AI by Recorder (Number of Channels)

2 channels (up to 12 face images/s each channel)

Face Detection Performance of AI by Camera (Number of Channels)

16 channels

Face Recognition

Face Database Capacity

Up to 20 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)

1. 16-channel FD (by camera) + FR (by recorder), image stream: 16 face images/s

2. 2-channe FD (by recorder) + FR (by recorder), video stream: 12 face images/s

Face Recognition Performance of AI by Camera (Number of Channels)

16 channels

SMD Plus

SMD Plus by Recorder

8 channels: Secondary filtering for human and motor vehicle , reducing false alarms caused by leaves, rain and lighting condition change

SMD Plus by Camera

All channels (32 targets/s)

Video Metadata

Metadata Performance of AI by Camera (Number of Channels)

8 channels

Human Attributes

Top color, top type, bottom color, bottom type, hat, bag, age, gender and umbrella

Motor Vehicle Attributes

License plate, plate color, vehicle body, vehicle model, vehicle logo, calling, seatbelt, vehicle interior, vehicle registration location.

Non-motor Vehicle Attributes

Vehicle model, vehicle color, number of persons, helmet.

Vehicle License Plate Comparison

ANPR by Camera (Number of Channels)

All channels (8 targets/s)

License Plate Database Capacity

1. Create up to 20,000 plate numbers.

2. Blocklist and allowlist

Audio and Video

Access Channel

32 channels

Network Bandwidth

AI disabled: 384 Mbps incoming, 384 Mbps recording and 384 Mbps outgoing

AI enabled: 200 Mbps incoming, 200 Mbps recording and 200 Mbps outgoing

Resolution

32 MP;24 MP;16 MP;12 MP;8 MP;6 MP;5 MP;4 MP;3 MP;1080p;720p;960p;D1;CIF;QCIF

Decoding Capability

AI disabled: 2-channel 32 MP@25 fps; 2-channel 24 MP@25 fps; 4-channel 16 MP@30 fps; 5-channel 12 MP@30 fps; 8-channel 8 MP@30 fps; 10-channel 6 MP@30 fps; 12-channel 5 MP@30 fps; 16-channel 4 MP@30 fps; 32-channel 1080p@30 fps

AI enabled: 1-channel 32 MP@25 fps; 1-channel 24 MP@25 fps; 2-channel 16 MP@30 fps; 4-channel 12 MP@30 fps; 6-channel 8 MP@30 fps; 8-channel 6 MP@30 fps; 8-channel 5 MP@30 fps; 12-channel 4 MP@30 fps; 24-channel 1080p@30 fps

Video Output

1 VGA, 1 HDMI

VGA:1920 × 1080, 1280 × 1024, 1280 × 720

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

Heterogeneous video source output for HDMI and VGA

Multi-screen Display

Main screen: 1/4/8/9/16/25/36

Sub screen: 1/4/8/9/16

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; MJPEG

Audio Compression

G.711a; G.711u; PCM; G726

Network

Network Protocol

HTTP; HTTPS; TCP/IP; IPv4; UDP; NTP; DHCP; DNS; SMTP; UPnP; DDNS; Alarm Server; IP Search (Supports Dahua IP camera, DVR, NVS, etc.); Multicast; P2P; Auto Registration; iSCSI

Mobile Phone Access

iOS; Android

Interoperability

ONVIF 23.12(Profile T; Profile S; Profile G); CGI; SDK

Browser

Chrome; IE; Safari; Edge; Firefox

Recording Playback

Multi-channel Playback

Up to 16 channels

Record Mode

General, motion detection; intelligent; alarm; POS

Backup Method

USB device and network

Playback Mode

Instant playback, general playback, event playback, tag playback, smart playback (face and motion detection)

Storage

Disk Group

Yes

Alarm

General Alarm

Motion detection; local alarm; alarm box; camera external alarm; network alarm; scene changing; PIR alarm; thermal alarm

Anomaly Alarm

Camera offline; storage error; disk full; IP conflict; MAC conflict; login lock; abnormal behavior of fan; cybersecurity exception

Intelligent Alarm

Face detection; perimeter protection; face recognition; video metadata (human, motor vehicles, and non-motor vehicles); SMD Plus; stereo analysis; crowd distribution; people counting; ANPR; vehicle density; heat map

Alarm Linkage

Record; snapshot (panoramic); local alarm output; IPC external alarm output; access controller; audio; buzzer; log, preset; email

Port

Audio Input

1-channel RCA

Audio Output

1-channel RCA

Alarm Input

4 channels

Alarm Output

2 channels

Disk Interface

2 SATA ports, each disk can contain up to 20 TB. This limit varies depending on the environment temperature.

RS-232

1

RS-485

1

USB

2 (1 front USB 2.0 port, 1 rear USB 3.0 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

1.57 kg (3.46 lb)

Gross Weight

2.73 kg (6.02 lb)

Product Dimensions

375.0 mm × 284.4 mm x 56.0mm (14.76" × 11.20" × 2.20") (W × D × H)

Packaging Dimensions

433.0 mm × 141.0 mm × 366.0 mm (17.04" × 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

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