Logitech Harmony 665 Advanced Remote Control replaces up to 10 old-fashioned remotes. Simple to set up and easy to use, get better control of your home entertainment. Feature Benefits No need for multiple remotes or remembering what to turn on or which input setting to use. Just press one button and Harmony does it all for you. Say goodbye to that jumble of remotes once and for all. Combine up to 10 old-fashioned remotes into one. Go directly to the shows, movies, and music you love with 23 customizable channel favorites. If things get off track, on-screen help will walk you through the steps to get everything working again. Harmony does the setup work for you. There are no confusing button combinations to press or codes to enter. Get to using your remote faster, with less frustration.