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A wireless clicker or wireless presenter is a remote control used to control a computer during a presentation, instead of a "mouse or the keyboard",. Usually it has a laser pointer inside to pintpoint parts of the screen. It is mainly used to show a computer presentation created with PowerPoint using a video projector and allows the presenter to move freely in front of the audience.[1]
An RF pointer-mouse consists of a transmitter similar to a remote control used in a Television set and a small receiver, usually connected to a USB port on the computer..[2]