DAHUA-IPC-HDW2231T-AS-S2

Camera & Image Performance

• Image Sensor: 1/2.8" CMOS
• Maximum Resolution: 1920 × 1080 (Full HD 1080p)
• Scanning System: Progressive
• Electronic Shutter Speed: Auto/Manual (1/3 s – 1/100,000 s)
• S/N Ratio: > 56 dB

Low-Light & Night Vision

• Minimum Illumination:
  • 0.002 Lux (Color)
  • 0.0002 Lux (B/W)
  • 0 Lux (IR On)
• IR Distance: Up to 30 m (98 ft)
• IR LEDs: 2
• Day/Night Mode: Auto (ICR) / Color / B/W

Lens & Viewing Angle

• Lens Type: Fixed focal
• Focal Length Options: 2.8 mm / 3.6 mm
• Aperture: F1.6
• Lens Mount: M12

Field of View (FOV)

• 2.8 mm:
  • Horizontal: 107°
  • Vertical: 56°
  • Diagonal: 127°
• 3.6 mm:
  • Horizontal: 88°
  • Vertical: 44°
  • Diagonal: 105°

Focus Distance

• 2.8 mm: 0.7 m
• 3.6 mm: 1.3 m

DORI Distance (Detection Capability)

• 2.8 mm Lens:
  • Detect: 43.9 m
  • Observe: 17.5 m
  • Recognize: 8.8 m
  • Identify: 4.4 m
• 3.6 mm Lens:
  • Detect: 58.9 m
  • Observe: 23.6 m
  • Recognize: 11.8 m
  • Identify: 5.9 m

Smart Features

• Tripwire detection
• Intrusion detection
• Motion detection (4 configurable zones)
• Region of Interest (RoI) – 4 areas
• Privacy masking – 4 areas
• Smart illumination

Video & Compression

• Video Compression: H.265 / H.264 / H.264B / MJPEG
• Smart Codec: Smart H.265+ / H.264+
• Max Frame Rate: 1080p @ 25/30 fps
• Stream: Dual stream supported

Resolution Options

• 1080p (1920×1080)
• 720p (1280×720)
• D1, VGA, CIF

Bitrate

• H.264: 32 kbps – 6144 kbps
• H.265: 12 kbps – 6144 kbps
• Bitrate Mode: CBR / VBR

Image Enhancements

• WDR (120 dB)
• BLC (Backlight Compensation)
• HLC (Highlight Compensation)
• 3D Noise Reduction
• White Balance (Auto/Manual/Outdoor/etc.)
• Image Rotation (0°/90°/180°/270°)
• Mirror Mode

Audio

• Built-in microphone
• Audio Compression: G.711a / G.711Mu / G.726 / PCM

Alarm & Events

• Motion detection
• Video tampering
• Network disconnection
• IP conflict
• Illegal access
• Storage issues (SD card full/error)
• Audio abnormality
• Tripwire and intrusion alerts

Network & Compatibility

• Network Port: RJ-45 (10/100 Mbps)
• Protocols: IPv4/IPv6, HTTP, RTSP, FTP, SMTP, DHCP, DNS, NTP, etc.
• ONVIF Support: Profile S, G, T
• Max Users: 20 users

Storage Options

• Micro SD card (up to 256 GB)
• FTP / SFTP
• NAS

Software Support

• Mobile: iOS and Android
• Software: Smart PSS, DSS, DMSS
• Browsers: Chrome, Firefox, IE

Security Features

• Video and firmware encryption
• HTTPS support
• IP/MAC filtering
• User authentication and access control
• Security logs

Power

• Power Supply: 12V DC / PoE (802.3af)
• Power Consumption:
  • Basic: 1.8W – 2.4W
  • Maximum: Up to 6.1W

Environmental & Build

• Weatherproof Rating: IP67
• Operating Temperature: -40°C to +60°C
• Humidity: ≤ 95%

Construction

• Inner core: Metal
• Outer cover: Plastic

Physical Specifications

• Dimensions: 100.9 mm × 109.9 mm
• Net Weight: 0.39 kg
• Gross Weight: 0.56 kg