Leapfrog's LF-IRX remote control extender converts the infrared signal from a standard remote control into a long-range RF radio signal, allowing components to be controlled from virtually anywhere in the home without the need for additional equipment or wiring. Remote control extenders use the 418 MHz frequency band to command components through any obstacle, including walls and floors. The product is ready to use in seconds, simply by placing the LF-IRX's extension unit in the appropriate room. LF-IRX control extender comes with all the required equipment, including batteries. Just take it out of the box, set it up, and enjoy your components from wherever you choose.LF-IRX can control virtually any household device that is operated via infrared remote control, including satellite receivers, personal video recorders, VCR's, CD players, stereo receivers, tape decks, etc.