With the Logitech R800 professional presenter, keep track of time, battery & wireless reception with a quick glance at this presenter's built in LCD display. Ability to navigate larger rooms & engage the audience with mobile 100 foot wireless range. Intuitive display & slideshow controls help you present with confidence. Once done conveniently store the receiver inside the presenter. Includes protective carrying case. Projection Distance: 100 ft; Operating System Compatibility: Windows XP, Vista, 7, 8; Class Type: 2; Presenter Type: Remote with Laser Pointer.