Name: Dahua DH-HAC-B1A21P-U-A 2MP Audio Bullet Camera
SKU: DH-HAC-B1A21P-U-A
Price: 1283.00 INR
Availability: InStock

Product details

DAHUA COOPER SERIES HDCVI

DH-HAC-B1A21P-U-A 2MP Audio Bullet Camera

2MP | built-in mic | Smart IR 30 m | IP67

Clear coaxial surveillance without network-camera complexity

The Dahua DH-HAC-B1A21P-U-A is a 2MP audio bullet camera for coaxial CCTV systems that need outdoor coverage and a built-in microphone. It provides 1080p PAL video at up to 25 fps with switchable CVI, TVI, AHD and CVBS output.

Its 30-metre Smart IR range, IP67 housing and wide-voltage 12 VDC input suit entrances and perimeter views. Audio is carried over compatible video infrastructure, reducing the need for a separate microphone cable.

Key benefits for day-to-day CCTV use

2MP imaging: Full HD detail for general monitoring, entrances and everyday evidence review.

Smart IR up to 30 m: Infrared coverage supports longer approaches and outdoor night scenes.

Built-in microphone: Adds scene audio over compatible coaxial recorder channels.

Technical specifications – DH-HAC-B1A21P-U-A

Model / video standard	DH-HAC-B1A21P-U-A, PAL HDCVI camera
Image sensor / maximum resolution	2 MP CMOS; 1920 × 1080
Frame rate	Up to 1080p at 25 fps (PAL)
Illumination	Smart IR, up to 30 m
Lens	Fixed-focal M12; 3.6 mm; 2.8 mm or 6 mm options
Video output	One BNC, switchable CVI / TVI / AHD / CVBS
Audio	One built-in microphone; audio over supported HDCVI/TVI equipment
Image controls	Day/night, BLC/HLC where supported, DWDR, white balance and 2D noise reduction
Power	12 VDC with ±30% input-voltage tolerance
Housing / protection	Plastic quick-install bullet housing; IP67
Operating environment	-40°C to +60°C; below 95% RH, non-condensing
Warranty	2 Years Dahua India, subject to invoice and serial-number validation

Installation and recorder compatibility

Recommended for gates, loading areas, parking approaches and building exteriors where audio recording is appropriate. Aim the microphone away from strong wind or machinery and protect all cable joints.

Use a compatible HDCVI/XVR channel, regulated 12 VDC power and correctly terminated coaxial cable or a suitable video balun. Select the camera output format only when required by the recorder. The camera is not an IP camera and does not connect directly to a router.

Choosing the correct lens, recorder and cable

For 1080p recording, use a DVR/XVR channel that supports 2MP HDCVI. CVI is the preferred native mode; TVI, AHD and CVBS are available for compatible legacy equipment.

Before dispatch, confirm the ordered lens, PAL recording mode, DVR resolution support, audio compatibility and required cable distance. Published illumination distances are measured under controlled conditions; real performance changes with mounting height, scene reflectivity, lens choice and ambient light.

Frequently asked questions

Does DH-HAC-B1A21P-U-A work with every DVR?

Use a DVR/XVR channel that supports the selected 2MP HDCVI output and frame rate. Older recorders may require a lower output mode or may not support this camera.

Does this model record audio?

Yes. It has a built-in microphone, but the connected recorder and selected channel mode must support camera audio.

Can it produce colour video at night?

Night monitoring is IR-assisted black and white. For warm-light colour capture, use the U-IL-A model.

Are the power supply and DVR included?

No. This listing is for the camera unless the selected offer explicitly states otherwise. Power supply, DVR/XVR, storage, cable and connectors are chosen separately.

Why buy from BuyCCTVs.com?

Exact-SKU checking before dispatch
DVR, lens, audio and cabling compatibility guidance
Genuine invoice and India-wide support

Professional installation note

Confirm audio support on the exact DVR/XVR and comply with local audio-recording rules. Fit a weatherproof junction box even though the camera housing is IP67.

Additional information

Camera Type	Bullet
Resolution	2MP
Signal	4-in-1
Audio	Built-in Mic
IR Range	30m
Protection	IP67
Warranty	2 Year

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