All that needs to be done is just install the Remote Range Xtender(TM) in place of one of the AA* batteries inside your remote control, point the receiver or attach the bright eye emitter to the components you wish to control. Like magic ... you now have converted your existing IR remote control to a state of the art Digital RF remote. Giving you the freedom to go from room-to-room and control your components up to 100 feet away. No direct line-of-sight is needed. Have more than one remote you would like to use this with. No problem, add as many Remote Range Xtender(TM) as you like. Unlike other remote control extenders, you donât have to attach anything to the front of your remote or be limited to using your remote in only one room. The Remote Range Xtender(TM) utilizes state-of-the-art patented technology, works with virtually all remote controls, and contains its own battery--easily replaced and available anywhere.