HAC-B2A21-UA - The bullet camera with 2.8mm fixed lens offers Full HD 2MP images with a wide 100° viewing angle, making it ideal for outdoor video surveillance. 4-in-1 technology ensures compatibility with HDCVI, HDTVI, AHD and CVBS systems, while the integrated microphone , Smart IR up to 30 meters , Digital WDR and ICR Day/Night filter ensure quality video and audio even in low light conditions. The durable metal body , IP67 certification and 3-axis support complete a professional, reliable and versatile solution. Dahua
HAC-B2A21-U-A | 2MP HDCVI Bullet Camera with 2.8mm Fixed Lens - Smart IR - Microphone

The Dahua HAC-B2A21-UA bullet camera with 2.8mm fixed lens offers 2MP Full HD images and a wide 100° viewing angle, ideal for outdoor video surveillance systems. 4-in-1 technology ensures compatibility with HDCVI, HDTVI, AHD and CVBS, while the integrated microphone , Smart IR up to 30 meters , Digital WDR and ICR Day/Night filter ensure clear images and quality audio in any lighting conditions. The robust metal body , IP67 certification and 3-axis support make this camera a reliable solution for professional installations.
Main specifications:
- Resolution: Full HD 2MP (1920×1080)
- Lens: 2.8mm fixed with 100° viewing angle
- Audio: Built-in microphone
- Night Vision: Smart IR up to 30m
- Technology: 4 in 1 (HDCVI, HDTVI, AHD, CVBS)
- Video functions: Digital WDR, 2D-NR, ICR Day/Night
- Protection: IP67 with metal body
- Installation: 3-axis support for optimal orientation
Further details
Technical data sheet
| HAC-B2A21-UA |
| Technical features |
| 2 megapixel CMOS sensor |
| Digital resolution: 1080P (1920x1080), 960H (960x576, 960x480) |
| Frames per second: 25/30 fps @1080P (CVI/TVI/AHD) |
| 4-in-1 switchable output |
| Day/Night mode with removable mechanical filter (ICR) |
| 0.02 lux F2.0 (color) / 0.002 lux F2.0 (B/W) / 0 lux IR On |
| Smart IR: 2 IR LEDs, 30 meters |
| 2.8 mm fixed optics |
| Angle of view: 100°(H), 54°(V), 117°(D) |
| Imaging modes: BLC, digital WDR, 2D-NR |
| Auto white balance |
| Auto gain control |
| Built-in microphone |
| Power supply: 12V DC (±30%) |
| Power consumption: 2.8W (max.) |
| Storage temperatures -40°C ~ +60°C (-40°C ~ +60°C) |
| Operating temperature -40°C ~ +60°C (-40°C ~ +60°C) |
| Relative humidity: <95% (non-condensing) |
| IP67 degree of protection |
| Metal housing |
| Dimensions: 70 (W) x 69.7 (H) x 150 mm |
| Net weight: 270 g |
| Gross weight: 330 g |
| 3AXIS: 0°~360°(PAN), 0°~90°(TILT), 0°~360°(Rotation) |


