Orei WHD-100 Wireless 60G HD Extender. It includes are transmitter and a receiver. WHD-100 will send high definition video and audio to any HDTV display with in 30 Meters in a single room (will not pass signal through walls). It supports resolutions up to 1080p Full HD, 3DTV, CEC and 7.1 Channels of High Bit Rate lossless digital audio such as Dolby TrueHD, DTS-HD Master Audio. The WHD-100 Wireless 60G HD will only work within the room.