DAHUA

HAC-T1A21-U

2MP IR HDCVI Fixed-focal Eyeball Camera

*Product images are shown for illustration purposes only. Actual product appearance and specifications may differ.

DAHUA

HAC-T1A21-U

2MP IR HDCVI Fixed-focal Eyeball Camera

The DAHUA T1A21-U is a budget-friendly 2MP IR HDCVI Fixed Focal Eyeball Camera. It helps you secure indoor rooms, offices, or shop counters easily. First, the camera records in clear Full HD 1080p resolution with a 3.6mm lens. Therefore, you can capture crisp visual details of staff or customers. Next, it features a classic eyeball dome form factor with a compact design. This allows for simple mounting on ceilings or walls. As a result, it blends nicely into any indoor ceiling setup. Additionally, it has 20-meter infrared night vision to protect your property in total darkness. Finally, the built-in microphone gives you clear audio over the same coaxial cable instantly.

View User Manuals

Available models:

HAC-T1A21-U (3.6 MM)

1 YEAR WARRANTY

Installation Available

The DAHUA T1A21-U analog security camera provides simple, dependable protection for residential and commercial indoor spaces. Capturing video in smooth 2 Megapixel resolution, it allows you to check on your property with clear real-time viewing. Since it features advanced HDCVI technology, it transmits high-definition video and audio over long distances using standard coaxial cables. This saves you money by using your existing wiring setup. This compact eyeball camera eliminates dark blind spots at night using smart infrared illumination. It includes integrated IR LEDs that turn on automatically to give you clear black-and-white images even in total darkness. Furthermore, it features a high-quality built-in microphone to collect clear surrounding sound. Built with a tough and light structure, this indoor dome camera handles daily wear, dust, and indoor temperatures with ease.

Key Features:

2MP Full HD Video: Clear 1080p video resolution that captures crisp indoor details.
Smart IR Night Vision: Keeps your property safe in the dark with clear imaging up to 20 meters.
Built-In Audio: Features an integrated microphone to record live sound without extra cables.
Fixed 3.6mm Lens: Offers a well-balanced viewing distance ideal for rooms and hallways.
Long Distance Transmission: Sends video and audio over coaxial cables with zero delay.
Compact Eyeball Design: Flexible mounting body built for easy ceiling positioning.

Camera

Image Sensor	2 MP CMOS
Max. Resolution	1920 (H) × 1080 (V)
Scanning System	Progressive
Electronic Shutter Speed	PAL: 1/25 s–1/100,000 s; NTSC: 1/30 s–1/100,000 s
Min. Illumination	0.02 lux@F2.0 (Color, 30 IRE) 0.002 lux@F2.0 (B/W, 30 IRE) 0 lux (Illuminator on)
S/N Ratio	>65 dB
Illumination Distance	25 m (82.02 ft)
Illuminator On/Off Control	Auto/Manual
Illuminator Number	1 (IR light)
Angle Adjustment	Pan: 0°–360° Tilt: 0°–78° Rotation: 0°–360°

Lens

Lens Type	Fixed-focal
Lens Mount	M12
Focal Length	2.8 mm; 3.6 mm
Max. Aperture	F2.0
Field of View	2.8 mm: H: 100°; V: 54°; D: 117° 3.6 mm: H: 80°; V: 43°; D: 94°
Iris Control	Fixed
Close Focus Distance	2.8 mm: 0.5 m (1.64 ft) 3.6 mm: 0.8 m (2.62 ft)
DORI Distance	DORI (Detect, Observe, Recognize, Identify) is a standard system (EN-62676-4) for defining the ability of a person viewing the video to distinguish persons or objects within a covered area. The numbers in this table do not reflect intelligent function distances. For intelligent function distances, refer to installation and commissioning manual/project design tool.

Video

Video Frame Rate	CVI: PAL: 1080p@25 fps NTSC: 1080p@30 fps AHD: PAL: 1080p@25 fps NTSC: 1080p@30 fps TVI: PAL: 1080p@25 fps NTSC: 1080p@30 fps CVBS: PAL: 960H NTSC: 960H
Resolution	1080p (1920 × 1080); 960H (960 × 576/960 × 480)
Day/Night	Auto(ICR)/Color/B/W
BLC	BLC; DWDR
WDR	DWDR
White Balance	Auto
Gain Control	Auto
Noise Reduction	2D NR
Camera Image Sensor 2 MP CMOS Max. Resolution 1920 (H) × 1080 (V) Scanning System Progressive Electronic Shutter Speed PAL: 1/25 s–1/100,000 s; NTSC: 1/30 s–1/100,000 s Min. Illumination 0.02 lux@F2.0 (Color, 30 IRE) 0.002 lux@F2.0 (B/W, 30 IRE) 0 lux (Illuminator on) S/N Ratio >65 dB Illumination Distance 25 m (82.02 ft) Illuminator On/Off Control Auto/Manual Illuminator Number 1 (IR light) Angle Adjustment Pan: 0°–360° Tilt: 0°–78° Rotation: 0°–360° Lens Lens Type Fixed-focal Lens Mount M12 Focal Length 2.8 mm; 3.6 mm Max. Aperture F2.0 Field of View 2.8 mm: H: 100°; V: 54°; D: 117° 3.6 mm: H: 80°; V: 43°; D: 94° Iris Control Fixed Close Focus Distance 2.8 mm: 0.5 m (1.64 ft) 3.6 mm: 0.8 m (2.62 ft) DORI Distance Lens Detect Observe Recognize Identify 2.8 mm 44.7 m (146.65 ft) 17.9 m (58.73 ft) 8.9 m (29.20 ft) 4.5 m (14.76 ft) 3.6 mm 55.0 m (180.45 ft) 22.0 m (72.18 ft) 11.0 m (36.09 ft) 5.5 m (18.04 ft) DORI (Detect, Observe, Recognize, Identify) is a standard system (EN-62676-4) for defining the ability of a person viewing the video to distinguish persons or objects within a covered area. The numbers in this table do not reflect intelligent function distances. For intelligent function distances, refer to installation and commissioning manual/project design tool. Video Video Frame Rate CVI: PAL: 1080p@25 fps NTSC: 1080p@30 fps AHD: PAL: 1080p@25 fps NTSC: 1080p@30 fps TVI: PAL: 1080p@25 fps NTSC: 1080p@30 fps CVBS: PAL: 960H NTSC: 960H Resolution 1080p (1920 × 1080); 960H (960 × 576/960 × 480) Day/Night Auto(ICR)/Color/B/W BLC BLC; DWDR WDR DWDR White Balance Auto Gain Control Auto Noise Reduction 2D NR Illumination Mode	Smart IR

Ports

Video Output

Video output choices of CVI/TVI/AHD/CVBS by one BNC port

Power

Power Supply	12 VDC ± 30%
Power Consumption	Max 2.3 W (12 VDC, IR on)

Environment

Operating Temperature	–40 °C to +60 °C (–40 °F to +140 °F)
Operating Humidity	<95% (RH), non-condensing
Storage Temperature	–40 °C to +60 °C (–40 °F to +140 °F)
Storage Humidity	<95% (RH), non-condensing
Anti-corrosion Level	Basic Protection

Structure

Casing Material	Plastic
Product Dimensions	Φ85.0 mm × 77.1 mm (Φ3.35" × 3.04")
Net Weight	0.11 kg (0.24 lb)
Gross Weight	0.12 kg (0.26 lb)
Installation	Wall mount; ceiling mount