This laser presentation remote features a simplistic button layout, making it easy to give presentations. The KeyLock™ Technology locks non-essential buttons when not needed to help eliminate accidental button presses. The integrated laser pointer allows the presenter to highlight important content while the backlit buttons provide visibility in environments with low lighting. RF wireless technology works from up to 50 ft away, providing flexibility while presenting in large conference rooms or classrooms. The mini USB receiver stores inside of the presenter so it's always ready to use. Both stylish and functional, this presentation remote is easy to operate for seamless presentations at work or school. Operating System Compatibility: Mac® OS X 10.4-10.8; Windows® 2000, XP, Vista™, 7, 8; Class Type: 2; Presenter Type: Remote with Laser Pointer; Batteries Required: (2) AAA.