This wireless transmitter receiver kit transmits HDMI video and audio signals over long distances via WiFi, up to 30 meters. It is compatible with HDMI 1.4 and 1.3 standards and can automatically identify and configure various display modes. The built-in automatic equalization system ensures a smooth, clear, and stable picture. The kit can transmit USB C and receive as HDMI interface, with no software, settings, or driver required, making it easy to connect to projectors.