Dahua 2mp 1080p Indoor Smart Dual Light Audio Camera (DH-HAC-T1A21P-U-IL-A)

The Dahua 2mp 1080p Indoor Smart Dual Light Audio Camera is a professional indoor surveillance camera built to deliver Full HD video performance and integrated audio monitoring. Powered by a 2 MP CMOS image sensor, it captures video at up to 1920 × 1080 resolution and supports frame rates of up to 30 fps at 1080p.

Featuring Smart Dual Light technology, the camera combines infrared illumination and warm light illumination to enhance visibility in low-light environments. Its built-in microphone provides audio capture capability, while support for CVI, CVBS, AHD, and TVI video formats offers flexible integration with a wide range of surveillance systems.

The fixed-focal eyeball design allows for flexible positioning through pan, tilt, and rotation adjustments while maintaining a compact and professional appearance suitable for indoor environments.

Features

Full HD 1080p Video Quality

Equipped with a 2 MP CMOS sensor capable of capturing video at a maximum resolution of 1920 × 1080.

Smart Dual Light Technology

Combines infrared and warm light illumination modes to improve monitoring performance in different lighting conditions.

Built-In Audio Recording

Features a built-in microphone for audio input through a single-channel integrated MIC.

Multiple Video Format Compatibility

Supports CVI, CVBS, AHD, and TVI video output through a single BNC port.

Flexible Lens Options

Available with a 2.8 mm fixed lens, with a 3.6 mm lens option supported.

Low-Light Performance

Provides illumination distances of up to 25 m for infrared lighting and up to 20 m for warm light illumination.

Adjustable Viewing Angle

Supports pan adjustment from 0°–360°, tilt adjustment from 0°–78°, and rotation adjustment from 0°–360°.

Technical Specifications

General

• Brand: Dahua
• Product Name: Dahua 2mp 1080p Indoor Smart Dual Light Audio Camera
• Model: DH-HAC-T1A21P-U-IL-A
• Series: HAC-T1A21-U-IL-A
• Camera Type: 2MP Smart Dual Light HDCVI Fixed-focal Eyeball Camera

Camera

• Image Sensor: 2 MP CMOS
• Maximum Resolution: 1920 × 1080
• Scanning System: Progressive
• S/N Ratio: >65 dB

Electronic Shutter Speed

• PAL: 1/25 s–1/100,000 s
• NTSC: 1/30 s–1/100,000 s

Minimum Illumination

• 0.02 lux@F2.0 (Color, 30 IRE)
• 0.002 lux@F2.0 (B/W, 30 IRE)
• 0 lux (Illuminator On)

Lens

• Lens Type: Fixed-focal
• Lens Mount: M12
• Focal Length: 2.8 mm; 3.6 mm
• Maximum Aperture: F2.0
• Iris Control: Fixed

Field of View

2.8 mm Lens

• Horizontal: 100°
• Vertical: 54°
• Diagonal: 117°

3.6 mm Lens

• Horizontal: 80°
• Vertical: 43°
• Diagonal: 94°

Illumination

• IR Distance: 25 m
• Warm Light Distance: 20 m
• Illuminator Control: Auto; Manual
• Warm Light LEDs: 2
• IR LEDs: 2

Video

Supported Formats

• CVI
• AHD
• TVI
• CVBS

Frame Rate

• 1080p@25 fps (PAL)
• 1080p@30 fps (NTSC)

Resolution

• 1080p (1920 × 1080)
• 960H

Image Features

• Day/Night: Auto(ICR)/Color/B/W
• BLC
• HLC
• DWDR
• Auto White Balance
• Area White Balance
• Auto Gain Control
• Manual Gain Control
• 2D NR
• Smart IR & WL Mode
• WL Mode
• IR Mode
• Mirror: Yes
• Privacy Masking: 8 Areas

Audio

• Audio Input: One Channel Built-in MIC

Video Output

• CVI/TVI/AHD/CVBS Switchable
• One BNC Video Output Port

Power

• Power Supply: 12 VDC ±30%
• Maximum Power Consumption: 2.1 W

Environmental

• Operating Temperature: –40°C to +60°C
• Storage Temperature: –40°C to +60°C
• Operating Humidity: <95% RH
• Storage Humidity: <95% RH

Certifications

• CE-LVD: EN 62368-1
• CE-EMC: EN 55032
• CE-EMC: EN 55035

Physical Specifications

• Casing Material: Plastic
• Dimensions: Φ85.0 mm × 77.1 mm
• Net Weight: 0.11 kg
• Gross Weight: 0.12 kg

Installation Options

• Wall Mount
• Ceiling Mount

Key Features

• 2MP CMOS image sensor
• Full HD 1080p resolution
• Up to 30 fps at 1080p
• Smart Dual Light technology
• Built-in microphone
• 25 m infrared illumination distance
• 20 m warm light illumination distance
• CVI/CVBS/AHD/TVI switchable output
• 2.8 mm fixed lens
• Optional 3.6 mm lens support
• DWDR image enhancement
• 2D noise reduction
• Day and night operation
• BNC video output
• Wall and ceiling mounting support

Benefits

• Captures detailed Full HD surveillance footage
• Enhances visibility in low-light conditions through dual illumination modes
• Supports audio monitoring with integrated microphone functionality
• Offers flexible compatibility with multiple video transmission standards
• Provides wide viewing coverage with fixed-focal lens options
• Supports continuous day and night surveillance operation
• Enables integration into a variety of CCTV recording environments
• Compact design suits indoor surveillance applications

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