Wireless presenter R400 is designed to help you make your point. Its intuitive slideshow controls help you navigate through your presentation with confidence. Buttons are easy to find by touch. And its shape feels great in your hand. Its got a red laser pointer thats easy to see against most backgrounds & a range of up to 50 feet, so youve got the freedom to move around the room & mingle with your audience. A storable plug-and-play wireless receiver makes it simple to get startedtheres no software to install. And when youre through, the receiver stores inside the presenter to make packing up easy. Projection Distance: 50 ft; Operating System Compatibility: Windows XP, Vista, 7, 8; Class Type: 2; Presenter Type: Remote with Laser Pointer.