The ADVISION AD-B1A41 is a 4MP HDCVI fixed IR bullet camera designed for practical surveillance in residential and commercial environments. Built on the Dahua Cooper series platform, it combines a 3.6mm fixed lens, Smart IR night vision, and a rugged IP67-rated housing to deliver reliable performance day and night. The camera’s HD/SD switchable output makes it a versatile choice for both new installations and upgrades of existing analog systems .

4MP Clarity with 30fps Performance

The camera features a 1/2.7-inch CMOS sensor delivering 2560 x 1440 (4MP) resolution at up to 30 frames per second . This combination ensures smooth, detailed footage suitable for identifying faces, vehicles, and activity. The progressive scanning system eliminates motion artifacts, while the electronic shutter range of 1/25s to 1/100,000s captures fast-moving subjects without blur .

3.6mm Fixed Lens for Wide Coverage

The 3.6mm fixed lens provides a balanced field of view suitable for monitoring entrances, driveways, and medium-sized areas. A 6mm lens option is available for applications requiring a narrower perspective . The fixed lens design ensures reliable focus and consistent image quality over time.

Smart IR Night Vision up to 20 Meters

Equipped with Smart IR technology, the camera provides night vision up to 20 meters . Smart IR automatically adjusts the infrared intensity based on subject distance, preventing overexposure when objects move closer to the lens. Minimum illumination is rated at 0.04 Lux at F2.0, ensuring usable performance in low-light conditions .

Durable Outdoor Construction

With an IP67 rating, the camera is protected against dust and water, making it suitable for both indoor and outdoor installation . The Dahua platform specification notes a working temperature range of -40°C to +60°C, ensuring reliable performance in extreme climates . The camera also supports ±30% input voltage tolerance for unstable power conditions .

HD and SD Output Switching

The camera supports switchable HD and SD video output, allowing integration with a wide range of DVR systems. The Dahua platform supports multiple video formats including HDCVI, CVBS, and other common HD analog formats, switchable via OSD menu or UTC controller . This makes the camera compatible with both modern XVRs and existing HD/SD DVRs.

Ideal Use Cases

This camera is well-suited for residential outdoor monitoring of driveways and gardens, small business perimeter surveillance, warehouse and storage area coverage, office building exteriors, and any indoor or outdoor environment where a reliable, weatherproof 4MP camera with night vision is needed.

Key Features

• 4MP resolution (2560 x 1440) at up to 30fps

• 3.6mm fixed lens with 6mm optional

• Smart IR night vision up to 20 meters

• IP67 weatherproof rating for indoor and outdoor use

• HD and SD output switchable

• 1/2.7-inch CMOS sensor with progressive scanning

• Minimum illumination of 0.04 Lux at F2.0

• ±30% input voltage tolerance for unstable power

• 4KV lightning protection

• Operating temperature range of -40°C to +60°C

• DC12V power input

• Bullet form factor for flexible mounting

Specifications Table