1. Entry: TXtransmitter,RXreceiver This built-in HDMI extender wireless transmission protocol can wirelessly transmit HD audio and video signal, at the same time, the equipment has excellent image processing and transmission ability, sends signal Transmission is more smooth and stable, it is a kind of economical and efficient way to extend HDMI signal. It is widely used for big screen video conferencing / home entertainment / online learning / business speech Educational training/playing games etc. more shocking, more relaxing and better for eye protection 1. Entry: TXtransmitter,RXreceiver This built-in HDMI extender wireless transmission protocol can wirelessly transmit HD audio and video signal, at the same time, the equipment has excellent image processing and transmission ability, sends signal Transmission is more smooth and stable, it is a kind of economical and efficient way to extend HDMI signal. It is widely used for big screen video conferencing / home entertainment / online learning / business speech Educational training/playing games etc. more shocking, more relaxing and better for eye protection Warm Tips: 1. RX cannot operate on its own, must be used with TX! 2. Cannot pass through walls or any barriers, pls use it in open space without barriers because walls, barriers will block signal transmission, 3. As RX, or barriers, increases, the wireless transmission distance will be shortened.