Dahua DH-HAC-B1A21P-U-IL: Professional 2MP Smart Dual Light HDCVI Bullet Security Camera
Elevate your security surveillance with the Dahua DH-HAC-B1A21P-U-IL 2MP Smart Dual Light HDCVI Bullet Camera – a premium security solution engineered for professional monitoring applications. This advanced bullet camera combines Full HD video recording with intelligent dual light illumination technology, delivering exceptional image quality and reliable performance in both indoor and outdoor environments. With built-in audio recording capabilities, weatherproof construction, and versatile mounting options, this HDCVI camera provides comprehensive security coverage for residential, commercial, and industrial applications.
Product Description
The Dahua DH-HAC-B1A21P-U-IL represents cutting-edge HDCVI surveillance technology, designed to meet the demanding requirements of modern security applications. This professional-grade bullet camera features a high-performance 2MP CMOS sensor that captures stunning Full HD video at 1920×1080 resolution, ensuring every detail is recorded with exceptional clarity and precision.
The camera’s standout feature is its innovative Smart Dual Light system, which intelligently adapts to changing lighting conditions throughout the day and night. During low-light scenarios, the system seamlessly transitions between traditional infrared illumination and advanced white light technology, extending the effective surveillance range up to 30 meters while maintaining superior image quality. This adaptive lighting approach ensures consistent monitoring performance regardless of environmental conditions.
Audio surveillance capabilities are enhanced through the built-in microphone, providing comprehensive audio-visual recording for complete security coverage. This feature is particularly valuable for medium-security applications where clear day/night video and sound recording are essential for effective monitoring and incident documentation.
The camera supports multiple HD analog video formats including CVI, CVBS, AHD, and TVI, ensuring seamless integration with existing security infrastructures. The fixed-focal lens design provides optimal field of view coverage, while the professional bullet form factor offers versatile mounting options including pole mount, wall mount, and ceiling mount configurations.
Built to withstand harsh environmental conditions, the DH-HAC-B1A21P-U-IL features IP67 weatherproof certification, providing complete protection against dust ingress and water immersion. This robust construction ensures reliable operation in challenging outdoor environments, making it suitable for year-round deployment in various weather conditions.
Installation flexibility is maximized through the bullet design that supports multiple mounting orientations and positions. The camera operates efficiently on 12V DC power supply with a maximum consumption of just 3.3W, making it energy-efficient while delivering professional-grade performance. Long-distance transmission capabilities over coaxial cables ensure seamless integration with existing HDCVI recording systems.
Technical Specifications
| Specification Category | Details |
|---|---|
| Image Sensor | 2MP CMOS Sensor |
| Video Resolution | 1920(H) × 1080(V) pixels (Full HD) |
| Frame Rate | Max. 30fps @ 1080p |
| Scanning System | Progressive |
| Lens Type | Fixed-focal lens (typically 3.6mm) |
| Viewing Angle | Wide angle coverage |
| Illumination Distance | Up to 30 meters |
| Light Technology | Smart Dual Light (IR + White Light) |
| Signal Formats | CVI/CVBS/AHD/TVI Switchable |
| Electronic Shutter | PAL: 1/25s–1/100,000s |
| Audio Recording | Built-in Microphone |
| Working Distance | 30 meters effective range |
| Ingress Protection | IP67 Weatherproof Rating |
| Power Supply | 12V DC |
| Power Consumption | Maximum 3.3W |
| Operating Temperature | -40°C to +60°C |
| Storage Temperature | -40°C to +70°C |
| Humidity | ≤95% (Non-condensing) |
| Dimensions | 15cm × 8cm × 10cm (L×W×H) |
| Weight | 220g (approximate) |
| Housing Material | Metal bullet housing |
| Mounting Options | Pole mount, wall mount, ceiling mount |
| Video Output | HDCVI video output |
| Installation | Fixed-focal bullet design |
| Compliance | CE, FCC certified |
| Warranty | 1-2 years standard manufacturer warranty |
| Motion Detection | Advanced motion detection capabilities |
| BNC Connection | Standard BNC video output |
| Cable Support | Long-distance coaxial cable transmission |
This professional HDCVI bullet camera delivers superior surveillance performance with smart dual light technology and built-in audio recording, making it the ideal choice for comprehensive security monitoring in residential, commercial, and industrial environments where reliable day/night coverage is essential.









