Alfatron HOLA


Alfatron HOLA

The ALF-HOLA is a new 4K UHD ePTZ video conference camera. It is built with AI functions, which can automatically frame all people in the meeting and centre them in the the scene. With flawless functionality and superior performance, adopting advanced ISP processing algorithms to provide vivid images with evenly clear brightness, strong color layering, high resolution, and fantastic color rendition. Easy and convenient to install and maintain, stable and reliable.

Product Features

  • 4K UHD: It employs 1/2.5 inch, 8 million pixels high-quality CMOS sensor; supports 4K UHD; provides [email protected] 30fps MJPG video resolution at most, and provides clear UHD video and vivid expressions and movements. At the same time, it is compatible with 1080p and 720p resolution.
  • EPTZ: EPTZ and 4X digital Zoom
  • Built-in microphone: Includes 2 built-in microphones with all-round pickup. Unique noise suppression algorithm ensures your voice is perfectly clear. The effective microphone pickup distance is up to 5 meters.
  • Dual-stream output: The USB3.0 port support mainstream and sub-stream output at the same time.
  • Auto framing: With an excellent facial detection algorithm, the camera automatically adjusts the zoom according to the number of people in the meeting. It can frame all the meeting attendees and centre them within the scene.

7 YEAR WARRANTY Bracket Included


Camera Parameter
Image Sensor 1/2.5 Inch High Quality 4K CMOS Sensor
Effective Pixels 8.28MP 16:9
Video output port 1* USB3.0, Type B, support audio output over USB3.0
Audio input 2 built-in MIC pickups
View Angle 120°
Video Format Main stream: 3840×[email protected]、1920×[email protected]/25fps、1280×[email protected]/25fps, etc.

Sub-stream:1280×[email protected]/25fps、640×[email protected]/25fps;320×[email protected]/25fps, etc.

Min Illumination 0.1Lux (F1.8, AGC ON)
Lens f=2.72mm
Aperture F2.5
Digital zoom 4X
Ultra-low illumination On/off
White Balance Auto / Manual/ One Push/ 3000K/ 3500K/ 4000K/ 4500K/ 5000K/ 5500K/ 6000K/ 6500K/ 7000K
Focus Auto / Manual/ One push Focus (available on AM series)
Exposure Auto / Manual
Auto framing On/off/sensitivity
Backlight compensation On/off
Dual-stream On/off
SNR >55dB
USB Feature
Operation Systems Windows 7(1080p at the most), Windows 8.1, Windows 10; macOS™ 10.10 or higher, Linux (Require to support UVC.)
Video Compression format YUY2, MJPG, H.264, H.265
 Audio over USB3.0 Support
USB communication protocol UVC, UAC
PTZ control Support EPTZ
Hardware requirement 2.4 GHz [email protected] Core 2 Duo processor or higher,2GB RAM or more,USB 2.0 /USB3.0 port ( USB 3.0 is needed for 4K)
Other Parameters
Input Voltage USB 5V

Cable Length : 1.5 Meters

Input Current 1A(Max.)
Power consumption 5W(Max.)
Store Temperature -10℃~+60℃
Store Humidity 20%~90%


Working Humidity 20%~80%
Dimension(W*H*D) 222mm×93.25mm×56.5mm
Weight Around 0.53kg
Application Indoor
Accessory User Manual; Warranty card, remote controller, USB3.0 cable


1.Q – What is auto framing ?
   A – Auto framing automatically frames all participants in the meeting and centre them within the scene. It does this by using facial recognition algorithms.

2. Q – Can we use this camera in zoom and teams as they are 1080p resolution ?
    A – Yes, you can as it has the ability to switch from 1080p to 720p.

3.Q – Can you mount this on a tripod?
   A – Yes it has the ability at the bottom of the bracket attached.

4.Q – Does the USB power up the camera?
   A – Yes, the USB 3.0 has 5V power.