This 5 device remote control is designed especially for cable systems, with a form factor and key layout modeled on what millions of cable customers already know and use. This remote is easy to program and easy to use. The navigation clusters put DVR, guide and interactive functions together. Its specialized red, blue, yellow, and green keys unlock advanced features on cable or satellite systems as well as blu-ray disc players. It offers the latest codes for digital tv converter boxes and supports new features such as HDTV sub channels.