1. mit video and audio signals over long distances via WiFi, up to 50 meters in length; 2. Compatible with 1.4 and 1.3 interfaces; 3. to automatically recognize and configure various display modes; 4. Built in automatic balancing system, smooth, clear, and stable screen; 5. Both receiving and mitting are interfaces, no software, settings, or drivers are required, and the screen can be projected by connecting; Technical parameter; video; protocol: 1.4; Maximum supported resolution: 4K@30Hz; Interface: A interface; Impedance: 100; Output: (synchronous audio and video output); Encoding format: 264; WIFI:2.4G+5G; Protocol: Standard 802.11 a/b/g/ac; mission distance: up to 50 meters in open environments; Power supply: USB power supply: 5V/2A; Maximum power consumption: MAX 3W; Working temperature/humidity: 0 °C -50 °C/10%-80% RH (non solidifying) launcher; Number of interfaces: 1; Interface: ; Resolution: 4K; Receiver; Operating memory: 2GB; Storage space: 1G; Reception: Built in antenna; Interface: ; Function: It can realize the integration of laptops and tablets with LCD displays, projectors, and touch machines; Wireless screen mirroring is performed on display devices such as LED splicing screens.; Product size: 116.5x32x12mm Resolution: 3840x2160 30P, 1920x108060P, 1280x72060P; 1024x768 60P, 1280x8060P, 1920x120060P; Frame rate: 30-60 frames per second; Delay: 80-100ms (open environment); mitter Port Description; Port Name: Function Description; Function keys: reset key+pairing; Indicator light: Connection status display; USB-C power port: power input; : input Lnstallation steps Receiver+ mitter combination, plug and play 1. Connect the HD port of the receiver to the video input port of a display device such as a monitor or television. 2. Connect the USB-C power port of the receiver to a charging cable, plug it into a power adapter or USB power port (voltage 5V, current 2A), and turn on th