DH-HAC-B1A51N

The Dahua DH-HAC-B1A51N is a 5MP HDCVI Fixed IR Bullet Camera from the Cooper Series (S2 variant, NTSC version), designed for reliable analog HD surveillance with infrared night vision up to 20m using Smart IR technology.
It supports max 25 fps@5MP (2880×1620, 16:9 output) with switchable multi-format compatibility (CVI/CVBS/AHD/TVI) and requires compatible XVR firmware (V4.001.0000001.0.R.200908 or later) for full 5MP performance.
Key Specifications
Feature
Specification
Image Sensor
1/2.7" CMOS ​
Resolution
2880 × 1620 @ 25 fps ​
Lens
3.6 mm fixed (2.8 mm optional; F2.0) ​
Illumination
Max. IR 20 m, Smart IR ​
Min. Illumination
0.02 lux @ F2.0; 0 lux IR on ​
Image Enhancement
DWDR, 2D NR, BLC/HLC ​
Formats
CVI/CVBS/AHD/TVI switchable ​
Power
12 VDC (max. 3.7 W IR on) ​
Protection
IP67 weatherproof (-40°C to +60°C) ​