Sell 1. Laser pointer

no image You May Also Be Interested In: multimedia projectors rf wireless control
1. Laser pointer with RF wireless control is a new patent product designed specifically for computers and multimedia projectors. In addition to the traditional usage of laser pointer, it also has the novel function of turning the pages displayed on the screen of the computer up and down by simply clicking the PageDown and PageUp buttons via wireless control. Now teachers and lecturers no longer need to stay beside their computers, they can walk freely in the classrooms or meeting halls, with near distance and more interaction with the audiences. Pages could be turned freely and silently, and highlight effects can be obtained in their presentations.