1. Transmit HDMI video and audio signals over long distances via WiFi, up to 50 meters in length; 2. Compatible with HDMI 1.4 and 1.3 interfaces; 3. Able to automatically recognize and configure various display modes; 4. Built in automatic balancing system, smooth, clear, and stable screen; 5. Both receiving and transmitting are HDMI interfaces, no software, settings, or drivers are required, and the screen can be projected by connecting; Technical parameter; video; HDMI protocol: HDMI 1.4; Maximum supported resolution: 4K@30Hz; Interface: HDMI A interface; Impedance: 100; Output: HDMI (synchronous audio and video output); Encoding format: H.264; WIFI:2.4G+5G; Protocol: Standard 802.11 a/b/g/n/ac; Transmission 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: HDMI; Resolution: 4K; Receiver; Operating memory: 2GB; Storage space: 1G; Reception: Built in antenna; Interface: HDMI; Function: It can realize the integration of laptops and tablets with LCD displays, projectors, and touch all-in-one 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); Transmitter Port Description; Port Name: Function Description; Function keys: reset key+pairing; Indicator light: Connection status display; USB-C power port: power input; HDMI: HDMI input Lnstallation steps Receiver+transmitter 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 the power switch of the receiver. 3. Adjust the HD signal source of the monitor or TV to the corresponding HD port until the receiver's startup screen shows successful startup. 4. Connect the transmitter to a computer or other device with HD video output function. After the indicator light enters the flash state, wait for more than ten seconds to complete the projection. Notice: The product is divided into two types, and the difference lies in: Type C To HDMI can be used for mobile phone transmission HDMI to HDMI cannot be used for mobile phone transmission Please read carefully before purchasing, choose according to your needs Color: As Shown Material: plastic Package Contents: 1 * Receiver 1 * Transmitter 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.