Make your next presentation unforgettable with the Presenter Expert Green Laser Presenter with Cursor Control and Memory. The Presenter Expert stores your presentation on a 2GB dongle that stores inside the presenter. It will also help you make your point with a bright green laser 10 times brighter than standard red lasers, so it's suitable for even the biggest rooms and brightest screens. The powerful 2.4Ghz remote resists interference and lets you control Keynote or PowerPoint from up to 150' (50 meters) away.