Just use ordinary equipment. If you want HD, you can recommend Sony D70.
Distance education and training now basically use video conferencing in Shenzhen Seegle.
Colleges, educational institutions and training institutions like the following all use Seegle.
Beijing University of Technology
northing
Shanghai Jiao Tong University
The University of Hong Kong
The Hong Kong Polytechnic University
The Open University of Hong Kong
Northeastern University
Shanghai Nuclear Engineering Design Institute
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Seegle video conference can win the trust of so many famous universities, mainly because it is the first software tailored for distance education in China, and it is excellent in data collaboration. You can contact Seegle to have a look. It's in Shenzhen Nanshan Science Park. ...