Make your point with this bright green wireless laser presenter that's suitable for even the biggest rooms & brightest screens. It's ten times brighter than standard red lasers, so it stands out against even the brightest LCD & plasma displays. Its 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. The powerful remote resists interference & lets you control Keynote or PowerPoint from up to 150 feet away. Operating System Compatibility: Mac OS x 10.11; Windows XP, Vista, 7, 8, 10; Laser Class Type: 2; Presenter Type: Remote with Laser Pointer; Batteries Required: (2) AAA.