DAHUA DH-HAC-T2A21P-U-IL-A 2MP Smart Dual Light HDCVI Fixed-focal Dome Camera 2.8mm Lens
SKU: DH-HAC-T2A21P-U-IL-A-2.8MMNetworking › IP Cameras (CCTV)· Model: HAC-T2A21P-U-IL-A-2.8MM
Please enquire before ordering
The distributor has not yet confirmed the latest price and availability (last checked Sep 3, 2026)
092-251-4017Awaiting stock confirmation2 years manufacturer's warranty
GenuineFree delivery from ฿5,000Tax invoice
Dahua CCTV camera with 2MP resolution, infrared and white light, supports HDCVI, transmits video, audio, data, and power over a single coaxial cable, easy installation, works both day and night
Key features
- 2MP resolution, supports HDCVI, transmits video, audio, data, and power over a single cable
- Dual Light: infrared + white light for clear visibility both day and night
- Maximum infrared range of 20 meters with Smart IR to prevent image interference
- Supports two-way communication with XVR for sending control signals and alerts
- Easy installation with PoC technology, no need to replace existing cables
Product description
The Dahua DH-HAC-T2A21P-U-IL-A CCTV camera with 2MP resolution is designed for effective security in both day and night environments. Equipped with dual light infrared and white LED, it provides clear imaging even in complete darkness, with a maximum infrared range of 20 meters and Smart IR technology that automatically adjusts infrared brightness to prevent image overexposure when objects are close to the camera. This model supports HDCVI, enabling transmission of video, audio, data, and power over a single coaxial cable. It also supports two-way communication with XVR systems, allowing control signals or alarm triggers to be sent. Video signals can be transmitted up to 700 meters over coaxial cable and up to 300 meters over UTP cable without signal loss. The camera features an IP67-rated water and dust resistant enclosure, excellent temperature tolerance, and is suitable for both indoor and outdoor use.
More features
- IP67-rated water and dust resistant, withstands harsh weather conditions
- Supports switching between four video modes: HDCVI, CVBS, AHD, TVI
- Uses 12 VDC power with tolerance for voltage fluctuations up to ±30%
- Ideal for installation in offices, stores, or homes
- Designed as a dome, can be mounted on ceiling or wall
Pros and limitations
Pros
- Uses a single coaxial cable to transmit video, audio, data, and power for easy installation.
- Features Dual Light illumination for clear visibility both day and night, with 20-meter infrared range.
- Supports switching between multiple video modes, such as HDCVI, CVBS, AHD, and TVI.
- Water and dust resistant with IP67 rating, durable in harsh weather conditions.
- Supports PoC for immediate installation without replacing existing cables.
Limitations
- No LAN port or Wi-Fi; requires an HDCVI system only.
- Not supported for direct internet connectivity.
Who it is for
Ideal for installation in offices, shops, or homes to monitor security both day and night, especially in areas where existing cables are to be reused or easy installation is required.
Connectivity
HDCVI
Specifications (100)
- PoE
- Supports PoC (Power over Coax)
- Lens
- 2.8 mm fixed focal length
- Sensor
- 1/3" CMOS
- Weight
- 450 g
- Storage
- Supports SD card (up to 256 GB)
- Aperture
- F1.0
- OSD Menu
- Yes
- Smart IR
- Yes
- IK Rating
- IK10
- IP Rating
- IP67
- Lens Type
- Fixed focal length
- Cable Exit
- Bottom exit
- Cable Loss
- Low
- Cable Type
- Coaxial cable (RG59 or equivalent)
- Dimensions
- Φ 100 mm x 80 mm
- Durability
- High
- Frame Rate
- Max. 30 fps@1080p
- Lens Mount
- M12
- Resolution
- 2MP (1920 x 1080)
- Alarm Input
- Yes
- Application
- Indoor/Outdoor
- Audio Input
- Yes (on select models)
- Cable Clamp
- Yes
- Cable Color
- Black
- Cable Entry
- Bottom entry
- Color Gamut
- Color/Black & White
- Power Input
- 12 VDC ±30%
- Alarm Output
- Yes
- Cable Jacket
- PVC
- Cable Length
- 3 m
- Cable Sheath
- PVC
- Cable Shield
- Aluminum foil + braided shield
- Cable Weight
- 0.5 kg
- Night Vision
- IR illumination distance up to 20 m
- Power Supply
- 12 VDC
- Privacy Mask
- Yes
- SD Card Slot
- Yes
- Trigger Mode
- Motion detection, alarm input
- Video Output
- HDCVI, CVBS, AHD, TVI
- Wide Voltage
- ±30% input voltage tolerance
- Angle of View
- Horizontal: 90°, Vertical: 50°, Diagonal: 105°
- Cable Testing
- Yes
- Compatibility
- Compatible with Dahua XVR series
- Field of View
- 90° (horizontal)
- IR Cut Filter
- Yes
- Image Quality
- 1080p Full HD
- Mounting Type
- Wall/Mount
- Viewing Angle
- 90° (horizontal)
- White Balance
- Auto/Manual
- Cable Diameter
- 6 mm
- Cable Material
- PVC
- Certifications
- CE, FCC, RoHS
- Day/Night Mode
- Auto/Manual
- Remote Control
- Yes (via XVR)
- System Upgrade
- Yes (via OSD menu)
- Cable Conductor
- Copper
- Cable Connector
- BNC connector
- Cable Impedance
- 75 Ω
- Cable Longevity
- High
- Cable Shielding
- Yes
- IR Illumination
- 20 m
- Cable Durability
- High
- Cable Insulation
- PVC
- Cable Management
- Yes
- Cable Resistance
- High
- Image Processing
- WDR (120 dB)
- Language Options
- 11 languages
- Language Support
- 11 languages (Chinese, English, French, German, Spanish, Portuguese, Italian, Japanese, Korean, Russian, Polish)
- Max. SD Capacity
- 256 GB
- Motion Detection
- Yes
- Mounting Bracket
- Included
- Shock Resistance
- Yes
- Audio Compression
- PCM
- Cable Attenuation
- Low
- Cable Flexibility
- High
- Cable Maintenance
- Low
- Cable Performance
- High
- Cable Reliability
- High
- Cable Termination
- BNC connector
- Data Transmission
- 4 signals over 1 coaxial cable (video, audio, data, power)
- Network Interface
- HDCVI over coaxial cable
- Operating Voltage
- 12 VDC
- Power Consumption
- ≤ 3.6 W
- Security Features
- Privacy mask, motion detection, WDR
- Video Compression
- H.264, H.265
- Cable Installation
- Easy
- Cable Type Support
- Coaxial cable (RG59)
- Operating Humidity
- ≤ 95% RH (non-condensing)
- Switchable Formats
- HDCVI, CVBS, AHD, TVI
- Cable Certification
- CE, FCC, RoHS
- Installation Method
- Wall mount or ceiling mount
- Cable Connector Type
- BNC
- Cable Length Support
- 3 m
- Vibration Resistance
- Yes
- Operating Temperature
- -30°C to +60°C
- Backlight Compensation
- Yes
- Dual-way Communication
- Yes
- Max. Power Consumption
- 3.6 W
- Cable Frequency Response
- Up to 1 GHz
- Environmental Protection
- IP67, IK10
Datasheets and manuals straight from the manufacturer — select a document to open or download it.
www.dahuasecurity.com DH-HAC-B1A21 2MP HDCVI Fixed-focal Bullet CameraDatasheet· material.dahuasecurity.com· 0.5 MBOpenwww.dahuasecurity.com DH-HAC-B1A21-U 2MP IR HDCVI Fixed-focal Bullet CameraDatasheet· materialfile.dahuasecurity.com· 0.5 MBOpenDH-HAC-T1A21Datasheet· material.dahuasecurity.com· 0.5 MBOpenCooper Series | DH-HAC-T2A21 System OverviewDatasheet· dahuasecurity.com· 0.5 MBOpen
13 questions
Frequently asked questions about this product
Compiled from manufacturer information
Can this camera be installed with an XVR system?
Yes, this camera supports HDCVI and enables two-way communication with XVR, allowing you to control the camera or receive alerts from it through the XVR system
What type of cable is used for installation?
Use a coaxial cable (RG59 or equivalent) with BNC connector connected to the XVR. Video, audio, data, and power can be transmitted over a single cable
What is the camera's infrared range?
The camera has a maximum infrared range of 20 meters with Smart IR technology that automatically adjusts infrared brightness to prevent image interference when objects are close to the camera
How many volts does this camera use?
The camera uses 12 VDC power with a tolerance for voltage fluctuations up to ±30%, making it suitable for areas with unstable power supply
How many video modes does it support for switching?
Supports 4 video mode switching options: HDCVI, CVBS, AHD, and TVI. Mode can be changed via OSD menu or controlled from XVR system.
Can it be mounted on a wall?
Yes, the camera is designed for wall or ceiling mounting, features IP67-rated water and dust resistance, and has excellent temperature tolerance, making it suitable for both indoor and outdoor use
Does this camera have an SD card slot?
Yes, the camera has an SD card slot supporting up to 256 GB, enabling local video recording without relying on an XVR system for recording
Can this camera be used with a PoE system?
Not directly PoE compatible, but supports PoC (Power over Coax), which allows power to be transmitted over the same coaxial cable, enabling easy installation without separate power wiring.
Is it in stock?
We are confirming the latest stock and price of the DAHUA DH-HAC-T2A21P-U-IL-A 2MP Smart Dual Light HDCVI Fixed-focal Dome Camera 2.8mm Lens with the distributor. Please contact us before ordering at 092-251-4017 or sales@gist.co.th.
How much does it cost?
The distributor has not yet confirmed the latest price and availability. Please contact us before ordering at 092-251-4017 or sales@gist.co.th.
How long is the warranty?
Warranty period: 2-year warranty. (manufacturer's terms). To make a warranty claim, call 092-251-4017 or 065-523-5262, or email sales@gist.co.th (Mon–Fri 9:00–18:00), then send the product with your order number to our head office, or bring it to the head office in person.
How long does delivery take?
Orders placed before 12:00 on a business day are delivered within 1–3 business days (Bangkok and vicinity) or 2–5 business days (other provinces). Free delivery on orders of ฿5,000 or more (a ฿150 delivery fee applies below this amount).
Is it genuine?
Genuine products sourced from distributors in Thailand, covered by the manufacturer's warranty. Full tax invoices are available.
Didn't find the answer you need?
Loading reviews…
Genuine products
Sourced from distributors in Thailand and covered by the manufacturer's warranty
Warranty period
2-year warranty.
Covered by the manufacturer's warranty; you can make claims through GIST
Claims through GIST
Ship the product to our head office or bring it in person
Warranty conditions
- A receipt or other proof of purchase is required
- The product must not have been modified or altered
- Damage caused by misuse is not covered by the warranty
- To make a warranty claim, call 092-251-4017 or 065-523-5262, or email sales@gist.co.th (Mon–Fri 9:00–18:00), then send the product with your order number to our head office, or bring it to the head office in person.Head office: 554 Sky Nine Center, Floor 12A, Room 554/62, Asok-Din Daeng Road, Din Daeng Subdistrict, Din Daeng District, Bangkok 10400
More in IP Cameras (CCTV)
