Dahua/DVR/4CH/4 Channel/(4K Support)

System

Main Processor

Industrial-grade processor

Operating System

Embedded Linux

Operating Interface

Web; Local GUI

Perimeter Protection

Perimeter Performance AI by Recorder (Number of Channels)

Advanced Model : 2 channels, 10 IVS for each channel

General Model : 4 channels, 10 IVS for each channel

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 8 face images/s)

Face Recognition

Face Database Capacity

Up to 10 face databases and 20,000 images.

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

1 channel

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

Audio and Video

Analog Camera Input

4 BNC ports, CVI access by default, supports HDCVI/ AHD/TVI/CVBS auto-detect

Camera Input

1. CVI: 4K, 6 MP, 5 MP, 4 MP, 1080p@25/30 fps, 720p@50/60 fps, 720p@25/30 fps.
2. TVI: 4K, 5 MP, 4 MP, 3 MP, 1080p@25/30 fps, 720p@25/30 fps.
3. AHD: 4K, 5 MP, 4 MP, 3 MP, 1080p@25/30 fps, 720p@25/30 fps.

IP Camera Input

Up to 8 channels of IPC access

4 IP channels by default + 4 channels (analog channels are converted to IP channels)

incoming bandwidth: 64 Mbps, recording bandwidth: 64 Mbps and outgoing bandwidth: 64 Mbps

*After IP channels are added beyond the existing channels, the AI Function (IVS, SMD, FACE) will be disabled.

Encoding Capacity

Main stream: All channel 4K@ (1 fps–7 fps); 6MP@ (1 fps–10 fps); 5MP@ (1 fps–12 fps); 4K-N, 4MP, 3MP@ (1 fps–15 fps); 4M-N, 1080p, 720p, 960H, D1, CIF@ (1 fps–25/30 fps);

Sub stream: 960H@ (1 fps–15 fps); D1,CIF@ (1 fps–25/30 fps)

Dual-stream

Yes

Video Bit Rate

32 kbps–6144 kbps

Audio Sampling

8 kHz, 16 bit

Audio Bit Rate

64 kbps

Video Output

1 HDMI, 1 VGA

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

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

Multi-screen Display

When IP extension mode not enabled: 1/4

When IP extension mode enabled: 1/4/8/9

Third-party Camera Access

ONVIF; Panasonic; Sony; Axis; Arecont; Pelco; Canon; Samsung

Compression Standard

Video Compression

AI Coding; H.265+; H.265; H.264+; H.264

Audio Compression

G.711a; G.711u; PCM

Network

Network Protocol

HTTP; HTTPS; TCP/IP; IPv4; RTSP; UDP; SMTP; NTP; DHCP; DNS; DDNS; P2P

Mobile Phone Access

iOS; Android

Interoperability

ONVIF 21.12; CGI Conformant

Browser

Chrome
IE9 or later
Firefox

Network Mode

Single-address mode

Recording Playback

Record Mode

General, motion detection; intelligent; alarm; POS

Recording Playback

1/4

Backup Method

USB device and network

Playback Mode

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

Alarm

General Alarm

Motion detection, video loss, tampering

Anomaly Alarm

No disk, disk error, low space, offline, ip conflict, MAC conflict

Intelligent Alarm

Face detection, face recognition, perimeter protection

Alarm Linkage

Record, snapshot (panoramic), IPC external alarm output, access controller, voice prompt, buzzer, log, preset, email

Ports

Audio Input

1-channel RCA
4-channel BNC (Coaxial Audio)

Audio Output

1-channel RCA

Two-way Talk

Yes (share the same audio input with the first channel)

HDD Interface

1 SATA port, up to 16 TB. The maximum HDD capacity varies with environment temperature.

RS-485

1 port, for PTZ control

USB

2 USB ports (USB 2.0)

HDMI

1

VGA

1

Network Port

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

General

Power Supply

12 VDC, 2 A

Power Consumption

<7 W

Net Weight

0.53 kg (1.17 lb)

Gross Weight

1.07 kg (2.36 lb)

Product Dimensions

260.0 mm × 237.9 mm × 47.6 mm (10.24'' × 9.37'' × 1.87'') (W × D × H)

Packaging Dimensions

333.0 mm × 315.0 mm × 89.0 mm (13.11" × 12.40" × 3.50") (W× D × H)

Operating Temperature

–10 °C to +55 °C (+14 °F to +131 °F)

Operating Humidity

0%–90% (RH)

Installation

Desktop

Certifications

FCC: Part 15 Subpart B
CE: CE-LVD: EN 60950-1/IEC 60950-1
CE-EMC: EN 61000-3-2; EN 61000-3-3; EN 55032; EN50130; EN 55024