Air mouse motion sensor moves mouse pointer in-air; Moves slides forward and backward effortlessly; Built-in timer shows presenter how much time is left in presentation; LCD display features flashing LEDs and vibration timer alerts; 9 buttons–timer,lLaser, left/right click, scroll wheel/middle button, page up/down, laser, and slide show; Wireless 2.4 GHz range up to 30 ft.; Powerful laser pointer range up to 656 ft.; PC and Mac(R) compatible; Power on/off switch; Includes USB receiver, 2 AAA batteries, and quick-start guide;