1. Light,Small and ultra-mini appearance,easy to use, easy to carry, very convenient; 2. video and audio transmission via built-in wireless transmission protocol,no need wifi or internet. 3. Plug and play, not need to install any driver and Apps. 4. 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. 5. 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 Product Name : Wireless Display Adapter Resolution : 1080P Power Supply : 5V/2A Band : 5.8G Note: 1.Equipment operating temperature; About 50 degrees ,but it is normal temperature which does not affect the use. 2.The device has been palred before leaving the factory, and the user does not meed to re-pair. 3.The light at the receiving end only be on,only as power indicatian. 4.lf the palring, indicator llght keeps flashing slowly after connecting the Type C power cable. 5.Transmission Distance : outdoors open space can reach 50M,indoor without any barriers around 30M ( Pls noted that this model does not support through the wall) Color: As Shown Material: ABS Package Contents: 1 x transmitter 1 x receiver Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.