The ADVISION AD-T1A41 is a 4MP HDCVI fixed IR eyeball 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 switchable HD/SD output to deliver reliable performance day and night. The compact eyeball form factor makes it a discreet addition to any indoor or protected outdoor installation .

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 . The horizontal angle of view is approximately 89 degrees for the 3.6mm option, offering broad coverage without excessive distortion . Optional 2.8mm and 6mm lens variants are available for applications requiring wider or narrower perspectives .

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 .

HD and SD Output Switching

The camera supports switchable HD and SD video output via a single BNC port, allowing integration with a wide range of DVR systems . Whether you are using a modern HD recorder or a legacy analog DVR, this camera adapts to your existing infrastructure without requiring additional converters.

Compact and Practical Design

The eyeball form factor offers flexible pan, tilt, and rotation adjustment (Pan 0°–360°, Tilt 0°–78°) for precise positioning . The plastic casing keeps the unit lightweight at just 0.09 kg, making installation straightforward on ceilings or walls . The camera operates on 12V DC ±30% power with a maximum consumption of approximately 2.6W to 2.9W with IR on .

Ideal Use Cases

This camera is well-suited for residential indoor and protected outdoor monitoring, small business perimeter surveillance, retail interiors and entryways, office corridors and reception areas, and any environment where a compact, reliable 4MP camera with night vision is needed.

Key Features

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

• 3.6mm fixed lens (2.8mm and 6mm optional)

• Smart IR night vision up to 20 meters

• HD and SD output switchable

• 1/2.7-inch CMOS sensor with progressive scanning

• Minimum illumination of 0.04 Lux at F2.0

• DWDR for balanced exposure in high-contrast scenes

• 2D noise reduction for cleaner images

• Pan 0°–360°, Tilt 0°–78° adjustment

• DC12V ±30% power input

• Compact plastic casing at 0.09 kg

• Dimensions of 85 x 85 x 69 mm

Specifications Table