SANOXY® RF Wireless Laser Pointer Presentation Device (Silver Finish) With Page Up/Down function. IntroductionPresentations, lectures and speeches will go more smoothly with this multi-functional remote. Use the remote to switch easily between slides and highlight important items or points with the red laser.Simply plug the receiver into the USB and then you"re ready to present using the buttons on the pointer. SANOXY allows you to present your slides remotely without having to use a mouse or tap the keyboard. SpecificationThe control distance is over 50 feet. It works with MS Power Point, MS Word and Adobe.Operating system: Vista, Windows 98/ME/2000/XP, Mac OS