Make your point with this bright green laser suitable for even the biggest rooms and brightest screens. The Presenter Expert Green Laser Presenter with Cursor Control is 10 times brighter than standard red lasers so it stands out against even the brightest LCDs and plasma displays. Intuitive, four-button design makes it easy to navigate. When you need to move your cursor, a quick flip of a button gives you full cursor control. Powerful, 2.4Ghz remote resists interference and lets you control Keynote or PowerPoint from up to 150' (50 meters) away. It uses two AAA batteries.