1. Transfer video and audio signals over long distances via WiFi, the distance can be up to 50 meters in open space. 2. Compatible with 1.4, 1.3 standards; 3. The wireless transmitter and receiver has the ability to automatically detect and configure different display modes 4. Built-in automatic equalization system to keep contents smooth, clear and stable; 5. Both the receiver/transmitter are with interface, no software, no setup, no driver required, just plug and play; Connectivity technology: Connector Type: Special feature: Miracast Resolution: 1920 x 1080 @ 60 Hz Supported Internet: Skype, , Nettflix, Instant Video, Compatible devices: Laptop transmission distance: 50M Stable transmission distance: 30M Repairing Instructions: Both the wireless transmitter and the receiver were well paired before leaving the factory. If pairing fails, please repair it as follows: 1. Please press and hold the function button of the receiver with the included snap pin for more than 3 seconds, the interface will appear "Release the button to pair with TX", then wait for the transmitter to enter pairing mode. 2. Press and hold the function button of the transmitter with the included snap pin for more than 5 seconds, the indicator light flashes for pairing, wait for the transmitter indicator light to always light up, indicating that the pairing is successful. Colour:White Material:plastic Package Contents: 1 x wireless transmitter 1 x wireless 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.