1. Light,Small and ultra-mini appearance,easy to use, easy to carry, very convenient; HDMI video and audio mission via built-in wireless mission protocol,no need wifi or internet. 2. Plug and play, not need to install any driver and Apps. 3. It is widly used for Big screen video conference / home entertainment / online learning / business speech education training /playing game etc. More shocking,more relax, and is better for protecting eyes. 4. Support mirror and extended modes. Support one to one mode and many to one mode ( up to 8 TXs to 1 RX). Configured with LED small screen,real-time display,see the connection status at any time. 5. mission Distance: outdoors open space can reach 50M,indoor without any barriers around 30M(Pls noted that this model does not support through the wall)<br><br>Product Name:Wireless Display Adapter Resolution:1080P Power Supply:5V/2A Band:5.8G 8TX to 1RX Pairing Method: According to the one-to-one pairing method,the first mitter will be pairedwith the receiver, after successful pairing, the second mitter will be paired one-to"one with the receiver, and so on will be the third, fourth, fifth,sixth,seventh and eighth mitters respectively with thesame receiver, When each mitter is successfully paired with the same receiver, the pairing is completed and the power can be turned on. (Remarks: Multi-pair support up to eight mittersto one receiver) Usage Method: Multiple mitters to one receiver support up to 8 to 1,whenswitching, you need to press the pair key of the mitter, for example:currentdisplay of the No. 1 mitter, if you want to display the No.2 mitter,at this time,press the pair key on the No.1 mitter (the display screen showsthe pairing tickscreen), then press the pair key on the No.2 mitter to switchto the screen of the No.2 unit, and so on. Note: Each mitter can be displayed arbitrarily. Note:Due to different factory batches, slight differences in ap