HAC-T1A51-U is a 5MP IR HDCVI fixed-focal eyeball camera built for straightforward, budget-friendly surveillance in homes and small businesses. Designed for easy installation and multi-format compatibility, this camera is a practical choice for anyone upgrading an older analog system or setting up basic coverage for entrances, hallways, and storage areas.
The HAC-T1A51-U captures 5MP resolution at 2880×1620 through a 5MP CMOS sensor, with fixed-focal lens options in 2.8mm or 3.6mm to suit different coverage needs — the wider 2.8mm option delivers a 105.5° horizontal field of view, while the 3.6mm option offers a tighter 86° view for more focused monitoring. Low-light performance is rated at 0.02 lux in color mode, with 2 IR illuminators providing up to 25m of night vision distance and Smart IR technology ensuring balanced brightness across the black-and-white image at night.
One of the standout conveniences of the HAC-T1A51-U is its DIP switch signal selection, letting installers choose between CVI, TVI, AHD, and CVBS output formats through a single BNC port without needing separate hardware. This flexibility makes the camera compatible with a wide range of existing DVR and recorder setups, simplifying both new installs and system upgrades.
Image quality is supported by 2D noise reduction and DWDR (Digital Wide Dynamic Range), which together help maintain clear detail in challenging lighting conditions like strong backlight or high-contrast scenes. The camera also includes BLC and HLC compensation and up to 8 configurable privacy masking areas for controlling what gets recorded.
The HAC-T1A51-U features a quick-to-install eyeball housing with full pan, tilt, and rotation adjustment (360° pan, 78° tilt, 360° rotation), making it easy to aim precisely during setup without needing to remount the bracket. It supports wall, ceiling, and vertical pole mounting for flexible placement.
Built for reliable operation, the HAC-T1A51-U operates across a wide -40°C to +60°C temperature range and draws a maximum of just 2.5W with IR active. Power is supplied via 12VDC, and the camera carries CE certification for both EMC and LVD compliance.
For homeowners and small business owners who need a dependable, easy-to-install camera without the complexity or cost of an IP system, the HAC-T1A51-U offers a solid, no-frills entry point into video surveillance.
HAC-T1A51-U Camera
| Feature | Specification |
| Image Sensor | 5 MP CMOS |
| Max. Resolution | 2880 (H) × 1620 (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 | IR: 25 m (82.02 ft) |
| Illuminator On/Off Control | Auto / Manual |
| Illuminator Number | 2 (IR light) |
| Angle Adjustment | Pan: 0°–360°; Tilt: 0°–78°; Rotation: 0°–360° |
HAC-T1A51-U Lens
| Feature | Specification |
| 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: 105.5°; V: 56.5°; D: 125.3° • 3.6 mm: H: 86°; V: 46.1°; D: 104.3° |
| Close Focus Distance |
• 2.8 mm: 1.0 m (3.28 ft) • 3.6 mm: 1.4 m (4.59 ft) |
| DORI Distance (2.8 mm) |
• Detect: 66.0 m (216.54 ft) • Observe: 26.4 m (86.61 ft) • Recognize: 13.2 m (43.31 ft) • Identify: 6.6 m (21.65 ft) |
| DORI Distance (3.6 mm) |
• Detect: 79.4 m (260.50 ft) • Observe: 31.8 m (104.33 ft) • Recognize: 15.9 m (52.17 ft) • Identify: 7.9 m (25.92 ft) |
HAC-T1A51-U Video
| Feature | Specification |
| Video Frame Rate |
• CVI: PAL: 5M@25 fps; 5M@12.5 fps; 4M@25 fps; 1080p@25 fps NTSC: 5M@25 fps; 5M@20 fps; 5M@10 fps; 4M@30 fps; 1080p@30 fps • AHD: PAL: 4M@25 fps NTSC: 4M@30 fps • TVI: PAL: 5M 16:9@20 fps NTSC: 5M 16:9@20 fps • CVBS: PAL: 960H NTSC: 960H |
| Resolution | 5M (2880 × 1620); 4M (2560 × 1440); 1080p (1920 × 1080); 960H (960 × 576 / 960 × 480); TVI 5M 16:9 (2960 × 1665) |
| Day/Night | Auto (ICR) / Color / B/W |
| BLC / HLC / WDR | BLC: Yes; HLC: Yes; WDR: DWDR |
| White Balance | Auto; Area white balance |
| Gain Control | Auto |
| Noise Reduction | 2D NR |
| Illumination Mode | Smart IR |
| Mirror | Yes |
| Privacy Masking | Off/On (8 areas, rectangle) |
HAC-T1A51-U Port & Interfaces
| Feature | Specification |
| Video Output | Video output choices of CVI/TVI/AHD/CVBS by one BNC port (DIP Switch) |
HAC-T1A51-U Power
| Feature | Specification |
| Power Supply | 12 VDC (±30%) |
| Power Consumption | Max 2.5 W (12 VDC, IR on) |
HAC-T1A51-U Environment & Structure
| Feature | Specification |
| 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 |
| Casing Material | Plastic |
| Product Dimensions | Φ85.0 mm × 77.1 mm (Φ3.35″ × 3.04″) |
| Net Weight | 0.13 kg (0.29 lb) |
| Gross Weight | 0.19 kg (0.42 lb) |
| Installation | Wall mount; ceiling mount; vertical pole mount |
HAC-T1A51-U Certification
| Feature | Specification |
| Certifications |
• CE-LVD: EN 62368-1 • CE-EMC: EN 55032; EN 55035 |
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