Surveillance Camera DAHUA HAC-B1A21-U-0360B HDCVI 1080P IR Bullet

The DAHUA HAC-B1A21-U-0360B HDCVI 1080P IR Bullet is an outdoor surveillance camera that delivers full HD 1080P resolution and infrared night vision. Built in a weather-resistant bullet housing, it uses HDCVI technology for compatibility with analogue HD recording systems and offers a fixed 3.6 mm lens for a wide field of view. The camera requires 12 VDC power and provides low-light sensitivity down to 0.002 lux.

Advantages

This camera provides clear 1080P video quality with infrared illumination for reliable night monitoring. The compact bullet form factor and M12 lens mount simplify installation and alignment, while HDCVI output ensures easy integration with existing DAHUA or compatible HDCVI recorders. Its electronic shutter range supports varied lighting conditions, and the white, weather-resistant housing is suitable for outdoor deployment.

Suitable for

• Outdoor perimeter and property monitoring
• Retail and small business security
• Residential driveway and entrance surveillance
• Integration with HDCVI recording systems

Key specifications

• Type: HDTV / Megapixel / Outdoor
• Video interface: HDCVI
• Resolution: 1080P
• Focal length: 3.6 mm (fixed)
• Lens mount: M12
• Minimum illumination: 0.002 lux
• Electronic shutter: PAL 1/25 s–1/100,000 s; NTSC 1/30 s–1/100,000 s
• Power supply: 12 VDC ±30%
• Colour: White
• Dimensions: 146.1 mm × 70.0 mm × 69.8 mm
• Brand / MPN: DAHUA / HAC-B1A21-U-0360B

How to use

Mount the camera in a suitable outdoor location using appropriate fixings for the surface. Connect the video output to an HDCVI-compatible recorder and supply 12 VDC power within the specified tolerance. Adjust the camera angle and focus (if applicable) using the housing and M12 lens positioning. Ensure cable entries are sealed and the camera is aimed to cover the target area with minimal obstructions.

Recommendations

For optimal performance, install the camera under a small protective overhang or use additional weatherproof junction boxes for cable connections. Use a compatible DAHUA HDCVI recorder to retain full functionality and resolution. Periodically inspect the lens and housing for dirt or condensation and clean with a soft, lint-free cloth.