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IPC-HFW2231M-AS-I2-B-S2

Home  >   Dahua  >   Network Cameras Lite Series  >  
2 MP

2MP Lite IR Fixed-focal Bullet Network Camera

Product Feature

  • Intelligent detection: Intrusion, tripwire
  • 2MP, 1/2.8" CMOS image sensor, low illuminance, high image definition
  • Outputs max. 2MP (1920 × 1080) @25/30 fps
  • H.265 codec, high compression rate, ultra-low bit rate
  • Built-in LEDs, max. illumination distance: 50 m
  • ROI, SMART H.264+/H.265+, flexible coding, applicable to various bandwidth and storage environments
  • Rotation mode, WDR, 3D NR, HLC, BLC, digital watermarking, applicable to various monitoring scenes
  • Abnormality detection: Motion detection, video tampering, scene changing, no SD card, SD card full, SD card error, network disconnection, IP conflict, illegal access, voltage detection
  • Alarm: 2 in, 2 out; audio: 1 in, 1 out; supports max. 256 GB Micro SD card
  • 12V DC/PoE power supply; 12V DC power output, max. current 165mA
  • IP67 protection

With upgraded H.265 encoding technology, Dahua Lite series network camera has efficient video encoding capacity, which saves bandwidth and storage space. This camera adopts the latest starlight technology and displays better color image in the condition of low illumination. It supports SD card storage, dust-proof function, waterproof function and vandal-proof function, complying with the standards of IP67 (Supported by some select models).

Camera
Image Sensor1/2.8”2Megapixel progressive CMOS
Max. Resolution1920 (H) × 1080 (V)
ROM128 MB
RAM128 MB
Scanning SystemProgressive
Electronic Shutter SpeedAuto/Manual 1/3 s–1/100,000 s
Min. Illumination[email protected]
S/N Ratio>56 dB
Illumination Distance50 m (164 ft)
Illuminator On/Off ControlAuto/Manual
Illuminator Number2 (IR LED)
Lens
Lens TypeFixed-focal
Mount TypeM12
Focal Length3.6 mm; 6 mm
Max. Aperture3.6 mm: F1.6
6 mm: F1.6
Field of View3.6 mm: Horizontal 87° × Vertical 46° × Diagonal 104°
6 mm: Horizontal 54° × Vertical 28° × Diagonal 63°
Iris TypeFixed
Close Focus Distance3.6 mm: 1.2m (3.9ft)
6 mm: 2.5m (8.2ft)
DORI DistanceLensDetectObserveRecognizeIdentify
3.6mm

55.2 m

(181.1 ft)

22.1 m

(72.5 ft)

11.0 m

(36.1 ft)

5.5 m

(18.0 ft)

6mm

82.8 m

(271.7 ft)

33.1 m

(108.6 ft)

16.6 m

(54.5 ft)

8.3m

(27.2 ft)

Smart Event
IVSTripwire; intrusion
Video
Video CompressionH.265; H.264; H.264B; MJPEG (only supported by the sub stream)
Smart CodecSmart H.265+/ Smart H.264+
Video Frame RateMain stream:
1920 × 1080 (1 fps–25/30 fps)
Sub stream:
704 × 576 (1 fps–25 fps)
704 × 480 (1 fps–30 fps)
Stream Capability2 streams
Resolution1080p (1920 × 1080); 1.3M (1280 × 960); 720p (1280 × 720); D1 (704 × 576/704 × 480); VGA (640 × 480); CIF (352 × 288/352 × 240)
Bit Rate ControlCBR/VBR
Video Bit RateH.264: 32 kbps–6144 kbps
H.265: 12 kbps–6144 kbps
Day/NightAuto(ICR)/Color/B/W
BLCYes
HLCYes
WDR120 dB
White BalanceAuto/natural/street lamp/outdoor/manual/regional custom
Gain ControlAuto/Manual
Noise Reduction3D NR
Motion DetectionOFF/ON (4 areas, rectangular)
Region of Interest (RoI)Yes (4 areas)
Smart IlluminationYes
Image Rotation0°/90°/180°/270° (Support 90°/270° with 1080p resolution and lower.)
MirrorYes
Privacy Masking4 areas
Audio
Audio CompressionG.711A; G.711Mu; G.726
Alarm
Alarm EventNo SD card; SD card full; SD card error; network disconnection; IP conflict; motion detection; video tampering; tripwire; intrusion; illegal access; voltage detection; audio detection; safety exception; local alarm
Network
NetworkRJ-45 (10/100 Base-T)
SDK and APIYes
Cyber SecurityVideo 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
ProtocolHTTP; TCP; ARP; RTSP; RTP; UDP; RTCP; SMTP; FTP; DHCP; DNS; DDNS; PPPoE; IPv4/v6; QoS; UPnP; NTP; RTMP; Multicast; SFTP; ICMP; IGMP; Bounjour
InteroperabilityONVIF (Profile S/Profile G/Profile T); CGI; P2P; Milestone; Genetec
User/Host20 (Total bandwidth: 64 M)
StorageFTP; Micro SD card (support max. 256 G); NAS; SFTP
BrowserIE
Chrome
Firefox
Management SoftwareSmart PSS; DSS; DMSS
Mobile PhoneIOS; Android
Certification
CertificationsCE-LVD: EN62368-1
CE-EMC: Electromagnetic Compatibility Directive 2014/30/EU
FCC: 47 CFR FCC Part 15, Subpart B
Port
Audio Input1 channel (RCAport)
Audio Output1 channel (RCAport)
Alarm Input2 channels in: 5mA 3V–5V DC
Alarm Output2 channels out: 300mA 12V DC
Power
Power Supply12V DC/PoE (802.3af)
Power Consumption<9.9W
Environment
Operating Conditions–40°C to +60°C (–40°F to +140°F)/Less than 95% RH
Storage Conditions–40°C to +60°C (–40°F to +140°F)
ProtectionIP67
Structure
CasingMetal + plastic
Dimensions194.1 mm × 96.4 mm × 89.5 mm (7.6" × 3.8" × 3.5") (L × W × H)
Net Weight0.725 kg (1.6 lb)
Gross Weight1.215 kg (2.7 lb)
Name Type Version Release Date
Datasheet Datasheet 16 June 2021
QSG QIG 16 June 2021

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