قراءة لمدة 1 دقيقة Wireless clicker

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.
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..
Included elements.
USB memory and timer.
Among other additional elements there can be a built-in flash memory in the USB receiver, so that there is no need to plug in an additional flash drive to carry the presentation file.
Some models include a vibration alarm, to notify the speaker when time is up
Laser pointer.
Apart from the elements to control the presentation, the clicker transmitter often contains a laser pointer.
A distinguishing feature among the models offered is the color of the laser.
For presentations green laser is more visible than red laser.