Logitech Wireless Presenter R400 Presentation Wireless Presenter with Laser Pointer Presenter Mode Built in Class 2 Laser Pointer Intuitive touch keys for easy slideshow control Bright red laser pointer easy to see against most backgrounds Up to 50 foot wireless range for freedom to move around the room 2.4GHz RF Wireless Technology Built in docking bay stores receiver for easy pack up and portability There is no software to install. Just plug the receiver into a USB port to begin. And when the show is over you can store the receiver in the presenter