Dahua IP Camera 2MP IPC-HFW2231M-AS-I2-B-S2 Image 1
Dahua IP Camera 2MP IPC-HFW2231M-AS-I2-B-S2 Image 2
  1. Dahua IP Camera 2MP IPC-HFW2231M-AS-I2-B-S2 Image 1
  2. Dahua IP Camera 2MP IPC-HFW2231M-AS-I2-B-S2 Image 2

Dahua IP Camera 2MP IPC-HFW2231M-AS-I2-B-S2

2MP Lite IR Fixed-focal Bullet Network Camera

  • Image Sensor: 1/2.8″ 2MP CMOS
  • Resolution/FPS: 2MP (1920 × 1080) @ 25/30 fps
  • Video Encoding: H.265 codec, ultra-low bit rate
  • IR LED: Built-in, max. 50m illumination
  • Video Coding: ROI, SMART H.264+/H.265+
  • Advanced Features: WDR, 3D NR, HLC, BLC, digital watermarking
  • Intelligent Monitoring: Intrusion, tripwire detection
  • Abnormality Detection: Motion, privacy masking, audio, SD card status, network issues, IP conflict, illegal access, voltage
  • Alarm: 2 in, 2 out; audio: 1 in, 1 out
  • Storage: Supports max. 256 G micro SD card
  • Power Supply: 12V DC/PoE
  • Protection: IP67-rated

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Camera Specifications

Image Sensor

  • Image Sensor Type: 1/2.8″ CMOS
  • Max. Resolution: 1920 (H) × 1080 (V)
  • ROM: 128 MB
  • RAM: 128 MB
  • Scanning System: Progressive
  • Electronic Shutter Speed: Auto/Manual 1/3 s–1/100,000 s
  • Min. Illumination:
  • S/N Ratio: > 56 dB
  • Illumination Distance: 50 m (164.04 ft) (IR)
  • Illuminator On/Off Control: Auto; manual
  • Illuminator Number: 2 (IR LED)

Lens

  • Lens Type: Fixed-focal
  • Lens Mount: M12
  • Focal Length:
    • 3.6 mm
    • 6 mm
  • Max. Aperture:
    • 3.6 mm: F1.6
    • 6 mm: F1.6
  • Field of View:
    • 3.6 mm:
      • Horizontal: 88°
      • Vertical: 44°
      • Diagonal: 105°
    • 6 mm:
      • Horizontal: 54°
      • Vertical: 29°
      • Diagonal: 63°
  • Iris Control: Fixed
  • Close Focus Distance:
    • 3.6 mm: 1.3 m (4.27 ft)
    • 6 mm: 2.5 m (8.20 ft)

DORI Distance

  • Lens:
    • 3.6 mm:
      • Detect: 58.9 m (193.24 ft)
      • Observe: 23.6 m (77.43 ft)
      • Recognize: 11.8 m (38.71 ft)
      • Identify: 5.9 m (19.36 ft)
    • 6 mm:
      • Detect: 82.8 m (271.65 ft)
      • Observe: 33.1 m (108.60 ft)
      • Recognize: 16.6 m (54.46 ft)
      • Identify: 8.3 m (27.23 ft)

Smart Event

  • IVS (Intelligent Video System): Tripwire; intrusion

Video

  • Video Compression: H.265; H.264; H.264B; MJPEG (Only supported by the sub stream)
  • Smart Codec: Smart H.265+; Smart H.264+
  • Video Frame Rate:
    • Main Stream: 1920 × 1080@1–25/30 fps
    • Sub Stream: 704 × 576@1–25 fps, 704 × 480@1–30 fps
  • Stream Capability: 2 streams
  • Resolution: 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–6144 kbps
    • H.265: 12 kbps–6144 kbps

Day/Night

  • Mode: Auto (ICR)/Color/B/W

Imaging

  • BLC (Backlight Compensation): Yes
  • HLC (High Light Compensation): Yes
  • WDR (Wide Dynamic Range): 120 dB
  • White Balance: Auto; natural; street lamp; outdoor; manual; regional custom
  • Gain Control: Auto; manual
  • Noise Reduction: 3D NR

Motion Detection and Region of Interest (RoI)

  • Motion Detection: OFF/ON (4 areas, rectangular)
  • Region of Interest (RoI): Yes (4 areas)

Smart Features

  • Smart Illumination: Yes
  • Image Rotation: 0°/90°/180°/270° (Support 90°/270° with 1080p resolution and lower)
  • Mirror: Yes
  • Privacy Masking: 4 areas

Audio

  • Audio Compression: G.711a; G.711Mu; G.726; PCM

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 abnormality; voltage detection; external alarm; security exception

Network

  • Network Port: RJ-45 (10/100 Base-T)
  • SDK and API: Yes
  • 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
  • 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
  • Interoperability: ONVIF (Profile S/Profile G/Profile T); CGI; P2P; Milestone
  • User/Host: 20 (Total bandwidth: 48 M)
  • Storage: FTP; SFTP; Micro SD card (support max. 256 GB); NAS
  • Browser: IE, Chrome, Firefox

Management Software

  • Management Software: Smart PSS; DSS; DMSS
  • Mobile Client: iOS; Android

Certification

  • Certifications:
    • CE-LVD: EN 62368-1
    • CE-EMC: Electromagnetic Compatibility Directive 2014/30/EU
    • FCC: 47 CFR FCC Part 15, Subpart B

Power

  • Power Supply: 12V DC/PoE (802.3af)
  • Power Consumption:
    • Basic: 1.8 W (12 V DC); 2.4 W (PoE)
    • Max. (ICR + H.265 + max. resolution + main stream + IR intensity + WDR + IVS): 5.5 W (12 V DC); 6.1 W (PoE)

Environmental

  • Operating Temperature: –40 °C to +60 °C (–40 °F to +140 °F)
  • Operating Humidity: ≤ 95%
  • Storage Temperature: –40 °C to +60 °C (–40 °F to +140 °F)
  • Protection: IP67

Structure

  • Casing: Metal + plastic
  • Product Dimensions: 194.1 mm × 96.4 mm × 89.5 mm (7.6″×3.8″×3.5″) (L × W × H)
  • Net Weight: 0.73 kg (1.6 lb)
  • Gross Weight: 1.22 kg (2.7 lb)

Specifications

Camera

Image Sensor

1/2.8″ CMOS

Max. Resolution

1920 (H) × 1080 (V)

ROM

128 MB

RAM

128 MB

Scanning System

Progressive

Electronic Shutter Speed

Auto/Manual 1/3 s–1/100,000 s

Min. Illumination

0.002 [email protected] (Color, 30 IRE)
0.0002 [email protected] (B/W, 30 IRE)
0 Lux (Illuminator on)

S/N Ratio

> 56 dB

Illumination Distance

50 m (164.04 ft) (IR)

Illuminator On/Off Control

Auto; manual

Illuminator Number

2 (IR LED)

Lens

Lens Type

Fixed-focal

Lens Mount

M12

Focal Length

3.6 mm; 6 mm

Max. Aperture

3.6 mm: F1.6
6 mm: F1.6

Field of View

3.6 mm: Horizontal: 88°; Vertical: 44°; Diagonal: 105°
6 mm: Horizontal: 54°; Vertical: 29°; Diagonal: 63°

Iris Control

Fixed

Close Focus Distance

3.6 mm: 1.3 m (4.27 ft)
6 mm: 2.5 m (8.20 ft)

DORI Distance

Lens

Detect

Observe

Recognize

Identify

3.6 mm

58.9 m (193.24 ft)

23.6 m (77.43 ft)

11.8 m (38.71 ft)

5.9 m

(19.36 ft)

6 mm

82.8 m (271.65 ft)

33.1 m

(108.60 ft)

16.6 m (54.46 ft)

8.3 m

(27.23 ft)

Smart Event

IVS

Tripwire; intrusion

Video

Video Compression

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

Smart Codec

Smart H.265+; Smart H.264+

Video Frame Rate

Main stream:
1920 × 1080@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

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–6144 kbps
H.265: 12 kbps–6144 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 1080p resolution and lower)

Mirror

Yes

Privacy Masking

4 areas

Audio

Audio Compression

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

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 abnormality; voltage detection; external alarm; security exception

Network

Network Port

RJ-45 (10/100 Base-T)

SDK and API

Yes

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

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

Interoperability

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

User/Host

20 (Total bandwidth: 48 M)

Storage

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

Browser

IE
Chrome
Firefox

Management Software

Smart PSS; DSS; DMSS

Mobile Client

IOS; Android

Certification

Certifications

CE-LVD: EN 62368-1
CE-EMC: Electromagnetic Compatibility Directive 2014/30/EU
FCC: 47 CFR FCC Part 15, Subpart B

Power

Power Supply

12V DC/PoE (802.3af)

Power Consumption

Basic: 1.8 W (12 V DC); 2.4 W (PoE)
Max. (ICR + H.265 + max. resolution + main stream + IR intensity + WDR + IVS): 5.5 W (12 V DC); 6.1 W (PoE)

Environment

Operating Temperature

–40 °C to +60 °C (–40 °F to +140 °F)

Operating Humidity

≤ 95%

Storage Temperature

–40 °C to +60 °C (–40 °F to +140 °F)

Protection

IP67

Structure

Casing

Metal + plastic

Product Dimensions

194.1 mm × 96.4 mm × 89.5 mm (7.6″×3.8″×3.5″) (L × W × H)

Net Weight

0.73kg (1.6 lb)

Gross Weight

1.22kg (2.7 lb)

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Dahua IP Camera 2MP IPC-HFW2231M-AS-I2-B-S2 PDF

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