Keep your audience in the palm of your hand. Say goodbye to boring presentations. With the Logitech Wireless Presenter R400, it's easy to turn your presentation into an audience-grabbing showstopper. Everything you need to control your slideshow with confidence is in the palm of your hand. Advance or go back through your slides at the touch of a control key. Focus their full attention on your most important points with the bright red laser pointer. Move around the room and engage your audience with reliable wireless range of up to 50 feet. Whether you're presenting your master's thesis in the classroom or your weekly sales update in the conference room, just point, press and prepare to impress.