Dahua HFW2841T-ZAS IP Network camera 8MP

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
M12

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 (both functions support the classification and accurate detection of vehicles and humans)

Smart Search
Works together with Smart NVR for refined intelligent search, event extraction, and merging of 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 subject to the total encoding capacity.

Stream Capability
2 streams

Resolution
3840 × 2160; 3072 × 2048; 3072 × 1728; 2880 × 1620; 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: 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 disconnected; IP conflict; Illegal access; Motion detection; Video damage; Line crossing; Intrusion; Audio detection; Voltage detection; Focus failure; External alarm; SMD; Security exception

Network

Network Port
RJ-45 (10/100 Base-T)

SDK & 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; Bonjour; P2P

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

Users/Hosts
20 (Total bandwidth: 48 M)

Storage
FTP; SFTP; Micro SD card (up to 256 GB); NAS

Browser
IE; Chrome; Firefox

Management Software
SmartPSS Lite; DSS; DMSS

Mobile App
iOS; Android

Cyber Security
Configuration encryption; Trusted execution; Digest; Security logs; WSSE; Account lock; Syslog; Video encryption; 802.1x; IP/MAC filtering; HTTPS; Trusted updates; Trusted boot; Software encryption; X.509 certificate generation and import

Certificates

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

Ports

Audio Input
1 channel (RCA port)

Audio Output
1 channel (RCA port)

Alarm Input
1 channel input: 5 mA 3–5 VDC

Alarm Output
1 channel output: 300 mA 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. bit rate + 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