Global Invacom TVLINK TV Link Magic Eye IR Extender Module, Black A multi-room device which allows you to control your satellite receiver (such as a Sky Box) from a second television in another room using your standard remote control. Channel Control: Transmits infrared (IR) signals through your coaxial cable to change channels, play recordings, and manage menus in a different room.Power Source: Powered directly by your satellite box via the coaxial cable, requiring no additional wall plugs (draws just 5mA).Design: Compact black eye that easily adheres above or near the frame of your second TV.Compatibility: Designed to work on digital satellite receivers (like Sky+ and Sky HD) connected via an RF Out port or iO-Link