What video sizes can be selected? And how?

There are 18 different video sizes provided by VideoLive Mail, such as 80*60, 640*480, 720*576.and so on. And default is 320*240.

You may change the video size by the steps:
Run VLM --> System Setting --> Video --> Video Option --> Video Capture Pin....--> Stream Format --> Output Size --> select the video size you prefer.