HAC-B3A21-Z - The bullet camera is a 2MP Full HD video surveillance solution designed to ensure clear and reliable images in outdoor environments. Equipped with a 2.7-12 mm varifocal motorized lens , it allows for precise framing adjustment, while Smart IR technology up to 40 meters ensures detailed night vision. Thanks to 4-in-1 technology , it is compatible with the main analog video standards, while the Digital WDR , 2D-NR functions and the IP67 protection rating guarantee high performance even in difficult lighting conditions and in environments exposed to the elements. Dahua
HAC-B3A21-Z | 2MP HDCVI Bullet Camera with 2.7-12mm Varifocal Lens - Smart IR

The Dahua HAC-B3A21-Z Bullet camera offers a professional video surveillance solution thanks to the 2MP Full HD CMOS sensor and 2.7-12 mm varifocal motorized lens , ideal for precisely adjusting the shooting angle. Smart IR technology up to 40 meters ensures clear images even in complete darkness, while 4-in-1 support (HDCVI, HDTVI, AHD and CVBS) ensures maximum compatibility with various systems. Digital WDR , 2D Noise Reduction and IP67 protection functions ensure high performance even in difficult environmental and lighting conditions.
Main specifications:
- Resolution: 2MP Full HD 1080p
- Lens: Motorized 2.7-12 mm
- Night Vision: Smart IR up to 40m
- Technology: 4 in 1 (HDCVI/HDTVI/AHD/CVBS)
- Protection: IP67 for outdoor use
- Video functions: Digital WDR and 2D-NR
Further details
Technical data sheet
| HAC-B3A21-Z |
| Technical features |
| 2 megapixel CMOS sensor |
| Digital resolution: 1080P (1920x1080), 720P (1280x720), 960H (960x756) |
| Frames per second: 25/30 fps @1080P (CVI/TVI/AHD) |
| 4-in-1 switchable output |
| Day/Night mode with removable mechanical filter (ICR) |
| 0.04 lux F1.7 (color) / 0 lux IR On |
| Smart IR: 2 IR LEDs, 40 meters |
| 2.7 ~ 12 mm motorized optics |
| Viewing angle: 33°~102°(H), 19°~53°(V), 38°~125°(D) |
| Imaging modes: BLC, HLC, digital WDR, 2D-NR, Mirror, digital Defog. |
| Auto and manual white balance |
| Auto and manual gain control |
| 8-zone privacy mask |
| Power supply: 12V DC (±30%) |
| Power consumption: 6.6W (max.) |
| Storage temperatures -30°C ~ +60°C (-30°C ~ +60°C) |
| Operating temperature -30°C ~ +60°C (-30°C ~ +60°C) |
| Relative humidity: <95% (non-condensing) |
| IP67 degree of protection |
| Metal and plastic housing |
| Dimensions: 90.4 (W) x 90.7 (H) x 243.5 mm (W x H) x 243.5 mm (2.5 x 2.5 in) |
| Net weight: 390 g |
| Gross weight: 530 g |
| 3AXIS: 0°~360°(PAN), 0°~78°(TILT), 0°~360°(Rotation) |


