Features: 1. Intelligent Wireless Assistance System, Conference Artifact, Plug and Play 2. It Can Wirelessly Transmit the Screens Of Windows and Computers To -Screen Devices Such As Tv Projectors 3. Enhanced Picture Quality Is Richer, Giving You a Cinematic Visual Experience 4. Compatible with the Same Screen Mode and Extended Mode 5. Multi-Device Connection, One-Key Free Switching, Support for Multiple Transmitter Connections, One-Key Switching Signals Without Interfering with Each Other, Flexible and Fast, Multi-Screen Sharing, This Operation Requires Multiple Transmitters To Work Together. Description: 1. Name: Wireless Screen Sharer 2. Model: R37+Q22(USB)/Receiving End (RX)+Transmitting End (TX) 3. Wireless Network: 2.4G/5G 4. Resolution: 1080P 5. Function: Wireless Same Screen 6. System Requirements: Windows 7. Output Resolution: 1920*1080 8. Functions: Wireless, Wifi, Games, Education, On-Demand, High-Definition Display, Local Playback 9. Audio Playback Format: MP3, WMA, WAV, OGG, FLAC, DTS, AAC, APE 10. Support Video Formats: , , VOB, DAT, , RMVB, WMV, , MP4, SWF size: Transmitter size: about 60 x 13.5mm (diameter x thickness) Receiver Dimensions: . 147 x 61 x 20mm(L x W x ) Material: ABS colour: white gray Package Contents: 1 x Receiving End (RX) Same Screen Device Network Extender 1 x Transmitting End (TX) Extender 1 x Extension Cable 1 x Chinese and English Manual 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.