Dahua 2MP IR HDCVI Fixed-focal Bullet Camera (HAC-B1A21-U-2.8)
Dahua 2MP IR HDCVI Fixed-focal Bullet Camera (HAC-B1A21-U-2.8)
Type : Analogue Cameras
SKU : HAC-B1A21-U-2.8
Collections : Dahua, Surveillance Systems | IP, Analog, Dome, Bullet & PTZ Cameras,
Availability : In Stock
Couldn't load pickup availability
Shipping & Returns
Shipping & Returns
Delivery Available on this product.
We deliver all Mauritius domestic orders within 2-5 business days!
Share

Dahua HDCVI 2MP Bullet Camera HAC-B1A21-U-2.8
Camera Overview
-
Pixel / Sensor: 2MP CMOS
-
Max Resolution: 1920 √ó 1080 (1080p)
-
Lens: Fixed 2.8 mm (optional 3.6 mm or 6 mm), M12 mount, F2.0
-
Field of View:
-
2.8 mm: H 100°, V 54°, D 117°
-
3.6 mm: H 80°, V 43°, D 94°
-
6 mm: H 43°, V 24°, D 50°
-
-
Close Focus Distance: 2.8 mm ‚Üí 0.5 m, 3.6 mm ‚Üí 0.8 m, 6 mm ‚Üí 2.4 m
Video & Imaging
-
Frame Rate: Max 1080p@25/30 fps (PAL/NTSC)
-
Day/Night: Auto (ICR), Color, B/W
-
WDR / BLC: DWDR, BLC
-
Noise Reduction: 2D NR
Illumination
-
Smart IR Illumination (Full color not listed, unlike Smart Dual Light series)
-
Distance: 30 m (98.43 ft)
-
Min Illumination: 0.02 lux (Color), 0.002 lux (B/W), 0 lux (LED on)
-
Illuminator Control: Auto / Manual
-
Illuminator Number: 2 IR lights
DORI Distances
| Lens | Detect | Observe | Recognize | Identify |
|---|---|---|---|---|
| 2.8 mm | 44.7 m | 17.9 m | 8.9 m | 4.5 m |
| 3.6 mm | 55.0 m | 22.0 m | 11.0 m | 5.5 m |
| 6 mm | 102.9 m | 41.1 m | 20.6 m | 10.3 m |
Connectivity & Audio
-
Video Output: CVI / TVI / AHD / CVBS via BNC
-
Audio Input / Built-in Mic: Not listed (likely no audio)
Power & Environment
-
Power Supply: 12 VDC ±30%
-
Power Consumption: Max 2.8 W
-
Operating Temp: –40 °C to +60 °C
-
Humidity: <95% RH
-
Protection: IP67
Physical
-
Casing: Plastic
-
Dimensions: 146.1 √ó 70 √ó 69.8 mm
-
Weight: 0.15 kg (net), 0.23 kg (gross)
-
Mounting: Wall, ceiling, vertical pole
