Wireless HDMI extender transmits full HD audio and video from any device source to the TV wirelessly . No any cable connection is required between the source device and the TV. You can watch the Full HD TV freely from anywhere. GEFFEN extender is easy to install, plug and play, no need to install any software, no need to do any setting .It can be installed within 2 minutes! It uses the latest distributed wireless technology, and the signal can be clear and smooth through a single non-high-density wall or ceiling, with zero interference of image and sound. The wireless HDMI extender ensures smooth signal flow from any AV device with an HDMI output to a TV. It provides an immersive media streaming experience because of stable and uncompressed Full HD transmission.