Keyspan by Tripp Lite PR-EZ1 Easy Presenter Presentation Remote Wireless with Laser Wireless presentation remote designed for PowerPoint, Keynote and other presentation programs that use PowerPoint keystrokes No software to installsimply plug the receiver into a computer and the remote is ready to use in seconds 60-foot range gives you freedom to roam; remote even works through walls and furniture Full set of control buttons lets you manage every aspect of the presentation Remote battery and convenient travel pouch included