HAC-B1A21 - Security Camera Dahua Technology - Free user manual and instructions
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| Product Type | Analog HD Security Camera |
| Model | HAC-B1A21 |
| Brand | Dahua Technology |
| Image Sensor | 1/2.8" 2MP CMOS |
| Resolution | 1920 x 1080p (2MP) |
| Video Format | HDCVI / AHD / TVI / CVBS |
| Lens | 3.6mm fixed lens (F2.0) |
| Angle of View | Approx. 90° (horizontal) |
| Minimum Illumination | 0.02 Lux (color), 0 Lux (IR on) |
| IR Range | Up to 20m (65ft) |
| Day/Night Mode | Automatic IR cut filter |
| Power Supply | 12V DC ±10% |
| Power Consumption | Max 4W (IR on) |
| Dimensions (mm) | 160 x 70 x 70 (with bracket) |
| Weight | 0.3 kg (0.66 lb) |
| Ingress Protection | IP67 (weatherproof) |
| Impact Protection | IK10 (vandal-resistant) |
| Operating Temperature | -30°C to +60°C (-22°F to +140°F) |
| Mount Type | Wall or ceiling mount (bracket included) |
| Maintenance | Clean lens with soft dry cloth; check cables periodically |
| Safety | Use only certified 12V DC adapter; install securely |
| Spare Parts / Repairability | Not user-serviceable; contact authorized service center |
| General Information | Analog HD bullet camera for outdoor surveillance |
Frequently Asked Questions - HAC-B1A21 Dahua Technology
How do I install the HAC-B1A21 camera?
Mount the camera using the included bracket. Connect the BNC video cable to a compatible DVR (HDCVI/AHD/TVI), and connect the power adapter (12V DC). Ensure the camera is firmly attached and weatherproof connections are sealed.
What video formats does the HAC-B1A21 support?
It supports HDCVI, AHD, TVI, and CVBS (analog). Use a compatible DVR that can auto-detect or manually set the format.
Can the HAC-B1A21 be used outdoors?
Yes, it has an IP67 weatherproof rating and IK10 vandal resistance, making it suitable for outdoor use in rain, dust, and moderate impacts.
What is the night vision range of this camera?
The built-in infrared LEDs provide visibility up to 20 meters (65 feet) in total darkness.
How do I clean the camera lens?
Use a soft, dry, lint-free cloth to gently wipe the lens. For stubborn dirt, slightly dampen the cloth with water. Avoid harsh chemicals or abrasive materials.
What power supply is required?
The camera requires a 12V DC power supply with at least 500mA output. Use only certified adapters to avoid damage.
Can I connect this camera to a standard analog DVR?
Yes, it works with most analog DVRs supporting HDCVI, AHD, TVI, or CVBS. However, for best quality, use a DVR that supports HD analog formats.
What is the maximum resolution of the HAC-B1A21?
The camera outputs 1920 x 1080p (2MP) resolution at up to 30 frames per second.
How do I troubleshoot if there is no image?
Check the BNC cable connection, ensure the DVR input is set to the correct channel and format, and verify that the 12V power adapter is working. You can also test the camera with a standalone monitor.
Is the camera compatible with PoE (Power over Ethernet)?
No, this camera is not PoE compatible. It requires a separate 12V DC power source.
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