Logitech has a large line of universal remotes, ranging from simple no frills devices to high end, robust multifunction, touch screen remotes. The Harmony 670 is Logitech's universal remote marketed specifically to DVR / TiVO customers. This one remote can control multiple devices in the home with just a few steps. With the ability to control television sets, DVD players, surround sound, and TiVO / DVR devices, this will be the last remote household users need.