Many customers of Zhixian Linuo will pay more attention to the price when they need the led display of the lecture hall, such as how much the led display is per square meter, and the package does not include installation and after-sales service. How much is a square meter of LED display screen is closely related to the basic configuration of LED display screen, including LED lamp beads, chips, box materials and so on. And even involves the processing technology of direct insertion or surface mount. The general die-casting aluminum LED box is more durable than the sheet metal box, but the price is correspondingly higher. It is also related to the area and model of led display screen needed in the lecture hall scene. The lower the model, the larger the area, and the higher the cost of led display screen. Coupled with the installation and after-sales service costs and other configuration costs, the overall cost of led display installation in the lecture hall can be basically predicted.