Multiple molds and products are used to match the rapid update of LED rental screen hardware and different usage scenarios, which leads to a lot of waste of resources. This is a serialized LED screen with heavy load and light load, which simplifies the overall structure of LED screen into lamp unit+ frame + central control box. The central control box is detachable and can be shared with any frame. For light load series, if you need to apply it to the curved environment, you can simply process the frame to increase the angle adjustment function unnecessary to change the mold. Reduce production costs, improve resource utilization, maintenance efficiency and economic profit.