COMPATIBLE WITH MOST INFRARED EQUIPMENT ; CONTROLS SATELLITE RECEIVER, DVD PLAYER, PERSONAL VIDEO RECORDER, CABLE CONVERTER BOX, VCR, CD PLAYER OR STEREO RECEIVER ; LONG-RANGE RF SIGNAL WORKS FROM ANYWHERE INSIDE THE HOME ; FULLY WIRELESS; OPERATES UP TO 120 FT FROM TRANSMITTER;TO RECEIVER ; INCLUDES A 4-FT INFRARED EXTENDER CORD FOR SITUATIONS WHERE PLACEMENT OF RECEIVING UNIT IN FRONT OF COMPONENT IS NOT POSSIBLE; INCLUDES BATTERIES