Dahua HFW3841EP-AS-0306B

Camera

Image Sensor

1/2.8”8Megapixel progressive CMOS

Max. Resolution

3840 (H) × 2160 (V)

ROM

128 MB

RAM

512 MB

Scanning System

Progressive

Electronic Shutter Speed

Auto/Manual 1/3 s–1/100,000 s

Min. Illumination

0.007 Lux@F1.4 (Color, 30IRE)

0.0007 Lux@F1.4 (B/W, 30IRE)

0 Lux (Illuminator on)

S/N Ratio

> 56 dB

Illumination Distance

30 m (98.4 ft)

Illuminator On/Off Control

Auto/Manual

Illuminator Number

1 (IR LED)

Pan/Tilt/Rotation Range

Pan: 0°–360°

Tilt: 0°–90°

Rotation: 0°–360°

Lens

Lens Type

Fixed-focal

Mount Type

M12

Focal Length

2.8 mm; 3.6 mm

Max. Aperture

F1.4

Field of View

2.8 mm: Horizontal 108° × Vertical 58° × Diagonal 127°

3.6 mm: Horizontal 85° × Vertical 45° × Diagonal 100°

Iris Type

Fixed

Close Focus Distance

2.8 mm: 1.4 m (4.6 ft)

3.6 mm: 2.4 m (7.9 ft)

DORI Distance

Lens

Detect

Observe

Recognize

Identify

2.8 mm

85.5 m (280.5 ft)

34.2 m

17.1 m

8.6 m

(112.2 ft)

(56.1 ft)

(28.2 ft)

3.6 mm

110.3 m (361.9 ft)

44.1 m

22.1 m

11.0 m

(144.7 ft)

(72.5 ft)

(36.1 ft)

Professional, intelligent

Perimeter Protection

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

Intelligent 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+

Video Frame Rate

Main stream:

3840 × 2160 @(1–20 fps by default)

3840 × 2160 @(1–25/30 fps when AI function disabled)

sub stream:

704 × 576 @(1–25 fps)/704 × 480 @ (1–30 fps)

third stream:

1920 × 1080 @(1–25/30 fps)

Stream Capability

3 streams

Resolution

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

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/Manual

Noise Reduction

3D DNR

Motion Detection

OFF/ON (4 areas, rectangular)

Region of Interest (RoI)

Yes (4 areas)

Smart Illumination

Yes

Image Rotation

0°/90°/180°/270° (Support 90°/270° with 1080p resolution and lower.)

Mirror

Yes

Privacy Masking

4 areas

Audio

Built-in MIC

Yes

Audio Compression

G.711a; G.711Mu; G726

Alarm

Alarm Event

- AS:

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; external alarm; SMD; safety exception

-SA:

Network

Network

RJ-45 (10/100 Base-T)

SDK and API

Yes

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: 72 M)

Storage

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

Browser

IE: IE8; IE9; IE11

Chrome

Firefox

Management Software

Smart PSS; DSS; DMSS