1. Entry: TXtransmitter,RXreceiver This built-in HDMI extender wireless transmission protocol can transmit HD audio and video signal wirelessly, at the same time, the equipment has excellent image processing and transmission ability, sends out the signal The transmission is more smooth and stable, it is a kind of economical and efficient way to extend the 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 protecting your eyes 2. Characteristics: 1. HDMI video and audio transmission via built-in wireless transmission protocol, no wifi or internet required 2. HDMI 1.3, compatible with HDCP1.2 3. Support ordinary HD video resolution up to 1920x1080 60Hz 4. The transfer is efficient to ensure smooth playback 5. Built-in automatic balancing system, the picture is smooth, clear and stable 6. Built-in ESD electrostatic protection circuit, comprehensive safety protection system 7. Simple and convenient installation, plug and play, no need to configure. Warm Tips: 1. RX can't work alone, must be used with TX! 2. Can't pass through walls or any barriers, pls use it in open space without barriers because walls, barriers will block signal transmission, 3. As the RX or barriers increase, the wireless transmission distance will shorten.