DDMALL wireless HDMI transmitters and receivers are designs to eliminating the cable mess everywhere. with mini form factor and USB-powered feature, It is easy to set up the extenders. All of the wireless HDMI extenders support direct connection and router relay mode for working. in Direct connection mode, each pair will automatically dongle for video transmission; plug and play. In the router realy mode, multiple pairs of transmitters and receivers connect to the same router Wifi for 1-to-1, 1-to-many, many-to-1, and many-to-many video distribution and broadcasting over the same LAN.