Dahua IP network camera 8MP HFW2841T-ZAS Black

Camera

Image Sensor

1/2.7" CMOS

Max. Resolution

3840 (H) × 2160 (V)

ROM

128 MB

RAM

256 MB

Scanning System

Progressive

Electronic Shutter Speed

Auto/Manual 1/3 s–1/100,000 s

Min. Illumination

0.008 lux@F1.5 (Color, 30 IRE)
0.0008 lux@F1.5 (B/W, 30 IRE)
0 lux (Illuminator on)

S/N Ratio

>56 dB

Illumination Distance

Up to 60 m (196.85 ft) (IR)

Illuminator On/Off Control

Auto; Manual

Illuminator Number

4 (IR LED)

Pan/Tilt/Rotation Range

Pan: 0°–360°
Tilt: 0°–90°
Rotation: 0°–360°

Lens

Lens Type

Motorized vari-focal

Lens Mount

?14

Focal Length

2.7 mm–13.5 mm

Max. Aperture

F1.5

Field of View

H: 113°–31°; V: 58°–18°; D: 138°–36°

Iris Control

Fixed

Close Focus Distance

0.8 m (2.62 ft)

DORI Distance

Lens

Detect

Observe

Recognize

Identify

W

85.3 m (279.86 ft)

34.1 m

(111.88 ft)

17.1 m

(56.10 ft)

8.5 m

(27.89 ft)

T

280.0 m (918.64 ft)

112.0 m

(367.45 ft)

56.0 m

(183.73 ft)

28.0 m

(97.86 ft)

Intelligence

IVS (Perimeter Protection)

Intrusion, tripwire (the two functions support the classification and accurate detection of vehicle and human)

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+

Video Frame Rate

Main stream: 3840 × 2160@(1–20 fps)/2688 × 1520@(1–25/30 fps)
sub stream: 704 × 576@(1–25 fps)/704 × 480@(1–30 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

2 streams

Resolution

3840 × 2160 (3840 × 2160); 3072 × 2048 (3072 × 2048); 3072 × 1728 (3072 × 1728); 2880 × 1620 (2880 × 1620); 2688 × 1520 (2688 × 1520); 3M (2048 × 1536); 2304 × 1296 (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: 32 kbps–8192 kbps
H.265: 12 kbps–8192 kbps

Day/Night

Auto(ICR)/Color/B/W

BLC

Yes

HLC

Yes

WDR

120 dB

White Balance

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

Gain Control

Auto; Manual

Noise Reduction

3D NR

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 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

Alarm

Alarm Event

No SD card; SD card full; SD card error; network disconnection; IP conflict; illegal access; motion detection; video tampering; tripwire; intrusion; audio detection; voltage detection; defocus detection; external alarm; SMD; security 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; PPPoE; Boujour; P2P

Interoperability

ONVIF (Profile S/Profile G/Profile T); CGI;

User/Host

20 (Total bandwidth: 48 M)

Storage

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

Browser

IE; Chrome; Firefox

Management Software

SmartPSS Lite; DSS; DMSS

Mobile Client

iOS; Android

Cyber Security

Configuration encryption; trusted execution; Digest; security logs; WSSE; account lockout; syslog; video encryption; 802.1x; IP/MAC filtering; HTTPS; trusted upgrade; trusted boot; firmware encryption; generation and importing of X.509 certification

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

Port

Audio Input

1 channel (RCA port)

Audio Output

1 channel (RCA port)

Alarm Input

1 channel in: 5mA 3V–5 VDC

Alarm Output

1 channel out: 300mA 12 VDC

Power

Power Supply

12 VDC/PoE (802.3af)

Power Consumption

Basic: 2.7 W (12 VDC); 3.6 W (PoE);

Max. (H.265+ max. resolution + max. stream+ WDR + IR intensity + IVS): 8.4 W (12 VDC); 9.7 W (PoE)

Environment

Operating Temperature

–30 °C to +60 °C (–22 °F to +140 °F)

Operating Humidity

?95%

Storage Temperature

–40 °C to +60 °C (–40 °F to +140 °F)

Storage Humidity

?95%

Protection

IP67

Structure

Casing Material

Metal

Product Dimensions

238.5 mm × 90.7 mm × 90.7 mm (9.39" × 3.57" × 3.57") (L × W × H)

Net Weight

0.77 kg (1.70 lb)

Gross Weight

1.01 kg (2.23 lb)