Logitech's Harmony 890 remote control uses both radio frequency (RF) and infrared (IR) wireless signals to deliver powerful complete control of your home-entertainment system that may be hidden behind cabinets. With a wireless range of up to 100 feet, the Harmony 890 remote sends RF commands to a wireless receiver, which then blasts infrared signals to the components. The Harmony 890 remote makes universal control for home entertainment and advanced lighting systems simple. How does it work? Just connect your Harmony remote to your computer and the Web wizard walks you step-by-step through a simple set up. Enter in your model numbers for your components, then answer a few easy questions about how you ?Watch TV? or ?Watch a DVD.? YouŽll be controlling even the most complex system without any of the hassles of elaborate programming. Easily view and select. Color display icons and 8 on-screen activity buttons make it easy Effortlessly switch between watching HDTV and listening to music, by selecting a single activity button - Just press one of the Activity buttons, such as ?Watch TV? or ?Listen to Music,? and it automatically sets