Wall-mounted installation-front maintenance structure: 1) This installation method is usually used indoors or semi-outdoors (that is, the front maintenance design, usually using column assembly). 2) It is suitable for small-area LED display screens, without maintenance channels, and uses the principle of magnetic attraction of LED modules to fix the modules on the structure, and it can be operated from the front if maintenance is required in the future. 3) Low cost, ultra-thin, fast installation time. Installation example illustration: .