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Specifications Quick Start Guide Manual Firmware
N41BK22 A211K02.png
Series: Lite
Body: Eyeball
Image Sensor: 1/3-in. 4 MP Progressive-scan CMOS
Resolution: 4 MP, 2688 (H) x 1520 (V)
Angle of View: Horizontal: 104°
Vertical: 57°
Lens Type: Fixed
Focal Length: 2.8 mm
Min. Illumination: Color: 0.08 lux at F2.0 (1/3 s, 30 IRE)
Color: 0.3 lux at F2.0 (1/30 s, 30 IRE)
0 lux at F2.0 with IR on
Day/Night: Auto (ICR), Color, B/W
Max. IR Range: Up to 30.0 m (98.43 ft)
WDR: 120dB
Video Compression: Smart H.265+, H.265, Smart H.264+, H.264, MJPEG
Audio Compression: -
Frame Rate: 4 MP at 20 fps or 3 MP at 30 fps
Multi-Streaming: 2 Streams
IVS: Motion, Tripwire, Intrusion
Audio In: 0
Audio Out: 0
Memory Slot: -
Alarm In: 0
Alarm Out: 0
IP Rating: 67
IK Rating: -
Operating Temp: –30° C to +60° C (–22° F to +140° F)
Less than 95% RH
Power: 12 VDC, 0.5 A or PoE (IEEE 802.3af, Class 0)
< 5.5 W
ePoE: No

EOL: End of Life

EOL Date: 6/19/2020

Suggested Replacement



  • NOTE: Model will sometimes show up as a HDW1431S
  • 1/3-in. 4 MP Progressive-scan CMOS Sensor
  • Dual Stream Encoding
  • Smart H.265+ and Smart H.264+ Dual Codecs
  • 4 MP at 20 fps or 3 MP at 30 fps, Maximum Resolution
  • 2.8 mm Fixed Lens
  • True Wide Dynamic Range (120 dB) and Day/Night (ICR)
  • Maximum IR LED Length 30 m (98 ft) with Smart IR
  • Intelligent Video System
  • IP67 Ingress Protection
  • PoE Support
  • Five-year Warranty (for products sold through an authorized Dahua Dealer)


Intelligent Features


WebUI Old SmartPSS DSS Express S
WebUI Old SmartPSS DSS Express S


Firmware Update Instructions

Reset Button


Compatible accessory