Introducing the Colorlight S4 Sending Box Card HDMI DVI Input! With 4 ports for input and output, this full-color LED screen controller is designed to meet your vibrant display requirements. As a factory, we ensure top-notch quality and reliability, creating a product that guarantees exceptional performance and durability. The Colorlight S4 Sending Box Card allows seamless transmission of high-definition content through HDMI and DVI inputs, delivering breathtaking visuals on any LED screen. Transform your visuals into a mesmerizing spectacle with this cutting-edge LED screen controller from our trusted factory.