Screen Image Project is used for project information from a computer on to a large screen such as a cloth screen or a wall, so that it can be simultaneously viewed by a large group of people. A screen Image projector can be directly plugged to a computer system, and the presenter can make a presentation of a group of people by projecting the presentation material one after another on a large screen with the help of computer's mouse or keyboard. The presenter can also directly point to, mark, or edit certain portion of the content of the displayed material during the presentation to make the presentation more understandable.
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