Introduction: TX means transmitter, RX means receiver Brand new and high quality,buy with confidence This is our exclusive new wireless extender, it bulit-in wireless transmission protocol, can transmit HDMI audio video signals without using HDMI cables between the transmitter and receiver. wireless screen share for video conferencing, business speech, education training, online learning, camera live broadcast, big screen games etc. application scenarios Let you wirelessly enjoy large screen easily,more efficient,shocking,relax and is good for eyes. It breaks the HDMI cable transmission distance limit, No wire installation needed,without worrying about wiring problems at home,saving decoration costs,and no home wifi or apps required,plug and play,very convenient, under 1 TX to 1 RX mode, the transmission distance can up to 200m under barrier-free space can support IR remote function and can go through different rooms in one house It supports Full HD 1080P wireless transmission. It works with most HDMI video source devices,such as TX connect to DVD, DVR,TV Set-top Box,HD camera,Notebook,PS 3/4/5 etc, video source devices RX connect to HDTVs , projectors, monitors, etc. display devices. Note : 1. The RX cannot work alone,one TX can match up to 4 RXs.      This operation requires additional purchase of the Receivers; RX=Receiver, TX=Transmitter.  2. With the increase of RX, the wireless transmission distance will be shortened,pls check the description. 3.Pls note that the distance,obstacles quantity, matierals,thickness etc. all will affect the using effect,  If need to go through wall, we advise you use in one transmitter to one receiver mode, go through one wall and the effect of use depends on the actual situation.  4.The IR function only works under one TX to one RX mode.  

Package Content for the option of " 1 TX and 1 RX ": 200m Wireless Transmitter x 1 200m Wireless Receiver     x 1 Antenna      x 4 5V 2A Power Adapter x 2 USB Power Cable x2 IR cable  x 2 User manual  x 1 Package Content for the option of " 1 RX Only " : 200m Wireless Receiver     x 1 Antenna      x 2 5V 2A Power Adapter x 1 USB Power Cable x1 IR cable  x 1 User manual  x 1