Style: Laser Presentation Remote with Key LockThe 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. The latest RF 2.4GH z cordless technology works from up to 50ft 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. The device is immediately ready to use and comes stocked with a high-quality AAA EnergizerMAXbattery. Both stylish and functional, the Presentation Remote is easy to operate for seamless presentations at work or school.