What is the "Mask" for?

[FongJeng Kum_34673838378]

Can I know what does the "Mask" checkbox do?


Selection_116.jpg

[Bob_30281727886]

Hi, if you tick "Mask" checkbox, then you can use mask to cover some parts of the images for privacy purpose.
For example, you wanna share the video with your friend, but some parts of the images are what you're reluctant to show. Then you can use the mask to achieve your purpose.