2021 is destined to be an extraordinary year, with the video applications for cameras affected by COVID-19 growing more rapidly. Online classrooms, interviews, contract signing, live broadcasts, and press conferences and concerts appear in succession.

With the continuous development of society, the improvement of people's economic level, and the continuous development of science and technology, in the past, basically every household would not be equipped with a camera. Nowadays, many residents also install web cameras in their homes. Let’s talk a......