This product is a desktop hidden network/optical transmission equipment. It is equipped with a traditional table plug connection network, USB, power interface, while using advanced audio and video transmission technology to transmit audio and video signals through a single network cable or fiber optic cable for long distance transmission, providing users with a set of advanced and beautiful Desktop signal connection solution. Plug and Play. Supports picture quality and color depth adjustment. Supports 20-level zoom ratio adjustment. A variety of interface options are available for customers with special needs.