The Canon PR1100-R Red Laser Wireless Presenter makes it easy to point to facts displayed on the projected image and control the slideshow. You can use its laser up to 50 feet. Moreover, the presenter has controls for slideshow and volume. The presenter offers a plug-and-play operation via USB 2.0 and supports Microsoft PowerPoint, Apple Keynote, Adobe Reader, and Apple Preview. You can connect the presenter to both Windows and Mac OS systems.