plus Laser Pointer & Illumination LightMake great presentations with the comfortable, simple-to-use and full-featured Stagehand remote control.Simply plug in the USB receiver, optionally connect your computer to a projector and you"re ready to present like a pro.Seamlessly advance and reverse slides, start & end slideshows, do black and white screens, even change slideshows or applications.*Professional features:2.4 GHz radio frequency controlled with 50-foot+ range and no line-of-sight needed between remote control and receiver Laser pointer plus illumination light to check notes & equipment problems without turning on room lights Simple to operate Plug & play installation LED power and signal indicator on USB receiver Control one computer with multiple remote controls, or multiple computers with one remote control** Laser pointer can be disabled for extra safety in schools and at home Resettable ID codes to avoid interference between multiple sets Resettable channels to avoid interference with other wireless devices For use with PC (Windows Vista & XP) and Mac (OS X) Comes with neck lanyard, travel pouch & coin cell battery One year limited warranty * Not all functions work in all versions of PowerPoint or Keynote** Multiple sets neededNote: does not control mouse pointer on screen