Universal Remote Control MX-850 IR/RF Aeros Remote Control 20 different components can be programmed with up to 4 pages of LCD screens and 33 buttons each Memory offers up to 912 potential macros with up to 190 steps each Smart memory back-up feature saves programmed memory for up to 10 years Windows-based PC software contains over 1500 different brand/model code sets, and enables custom program design Expanded RF capabilities with an extended range up to 100