Dahua IP network camera 8MP HDW3841EM-AS 2.8mm Black

Camera

Image Sensor

1/2.8" CMOS

Max. Resolution

3840 (H) × 2160 (V)

ROM

128 MB

RAM

1 GB

Scanning System

Progressive

Electronic Shutter Speed

Auto/Manual 1/3 s–1/100,000 s

Min. Illumination

0.007 lux@F1.4 (Color, 30 IRE)
0.0007 lux@F1.4 (B/W, 30 IRE)
0 lux (Illuminator on)

S/N Ratio

> 56 dB

Illumination Distance

30 m (98.43 ft)

Illuminator On/Off Control

Auto/Manual

Illuminator Number

2 (IR LED)

Pan/Tilt/Rotation Range

Pan: 0°–360°; Tilt: 0°–78°; Rotation: 0°–360°

Lens

Lens Type

Fixed-focal

Lens Mount

M12

Focal Length

2.8 mm;

Max. Aperture

F1.4

Field of View

2.8 mm: Horizontal:107°; vertical: 56°; diagonal: 127°

Iris Control

Fixed

Close Focus Distance

2.8 mm: 1.5 m (4.9 ft)

DORI Distance

Lens

Detect

Observe

Recognize

Identify

2.8 mm

87.7 m
(287.73 ft)

35.1 m
(115.16 ft)

17.5 m
(57.41 ft)

8.8 m
(28.87 ft)

Intelligence

IVS (Perimeter Protection)

Tripwire, intrusion (support the classification and accurate detection of vehicle and human)

AI SSA

Yes

Quick Pick

With AI NVR, quickly pick up the human/vehicle targets that users are interested in from SMD events

Smart Search

Work together with Smart NVR to perform refine intelligent search, event extraction and merging to event videos

Video

Video Compression

H.265; H.264; H.264H; H.264B; MJPEG (only supported by the sub stream)

Smart Codec

Smart H.265+
Smart H.264+

AI Coding

AI H.265
AI H.264

Video Frame Rate

Main stream: 3840 × 2160 @ (1–25/30) fps
Sub stream 1: 704 × 576 @ (1–25 fps)/704 × 480 @ (1–30 fps)
Sub stream 2: 1920 × 1080 @ (1–25/30 fps)

*The values above are the max. frame rates of each stream; for multiple streams, the values will be subjected to the total encoding capacity

Stream Capability

3 streams

Resolution

8M (3840 × 2160); 6M (3072 × 2048); 5M (3072 ×
1728/2592 × 1944); 4M (2688 × 1520); 3.6M (2560 × 1440); 3M (2048 × 1536); 3M (2304 × 1296); 1080p (1920 × 1080); 1.3M (1280 × 960); 720p (1280 × 720); D1 (704 × 576/704 × 480); CIF (352 × 288/352 × 240); VGA (640 × 480)

Bit Rate Control

CBR/VBR

Video Bit Rate

H.264: 3 kbps–8192 kbps
H.265: 3 kbps–8192 kbps

Day/Night

Auto (ICR)/Color/B/W

BLC

Yes

HLC

Yes

WDR

120 dB

Scene Self-adaptation (SSA)

Yes

White Balance

Auto; natural; street lamp; outdoor; manual; regional custom

Gain Control

Auto

Noise Reduction

3D NR

Motion Detection

OFF/ON (4 areas, rectangular)

Region of Interest (RoI)

Yes (4 areas)

Defog

Yes

AFSA

Yes

Image Rotation

0°/90°/180°/270° (support 90°/270° with 2688×1520 resolution and lower)

Mirror

Yes

Privacy Masking

4 areas

Audio

Built-in MIC

Yes

Audio Compression

G.711a; G.711Mu; PCM; G.726; G.723

Alarm

Alarm Event

No SD card; SD card full; SD card error; service life warning (only supported by Dahua card); network disconnection; IP conflict; illegal access; motion detection; video tampering; intrusion; tripwire; scene changing; audio detection; voltage detection; SMD; safety exception

Network

Network Port

RJ-45 (10/100 Base-T)

SDK and API

Yes

Network Protocol

IPv4; IPv6; HTTP;TCP; UDP; ARP; RTP; RTSP; RTCP; RTMP; SMTP; FTP; SFTP; DHCP; DNS; DDNS; QoS; UPnP; NTP; Multicast; ICMP; IGMP; NFS; SAMBA; PPPoE; SNMP

Cyber Security

Video encryption; Firmware encryption; Configuration encryption; Digest; WSSE; Account lockout; Security logs; IP/MAC filtering; Generation and importing of X.509 certification; syslog; HTTPS; 802.1x; Trusted boot; Trusted execution; Trusted upgrade

Interoperability

ONVIF (Profile S/Profile G/Profile T); CGI; P2P; Milestone; Genetec

User/Host

20 (Total bandwidth: 64 M)

Storage

FTP; SFTP; Micro SD card (support max. 256 G); NAS

Browser

IE:IE11
Chrome
Firefox

Management Software

Smart PSS; DSS; DMSS

Mobile Client

IOS; Android

Certification

Certifications

CE-LVD: EN62368-1;
CE-EMC: Electromagnetic Compatibility Directive 2014/30/EU;
FCC: 47 CFR FCC Part 15, Subpart B;
UL/CUL: UL62368-1 & CAN/CSA C22.2 No. 62368-1-14

Power

Power Supply

12 VDC/PoE (802.3af)

Power Consumption

Basic: 4.3 W (12 VDC); 4.9 W (PoE)
Max. (WDR + IR intensity + Intelligence): 7.6 W (12 VDC); 8.9 W (PoE)

Environment

Operating Temperature

–40 °C to +60 °C (–40 °F to 140 °F) /Less than 95% RH

Storage Temperature

–40 °C to +60 °C (–40 °F to 140 °F)

Protection

IP67

Structure

Casing

Metal

Product Dimensions

93.6 mm × ?106.0 mm (3.69" × ?4.17")

Net Weight

500 g (1.10 lb)

Gross Weight

770 g (1.70 lb)