This document stipulates the general requirements and technical requirements for light-emitting diode (LED) intelligent all-in-one machines, describes the corresponding test methods, and stipulates inspection rules, marking, packaging, transportation and storage, etc. This document applies to the design, R&D, inspection, etc. of light-emitting diode (LED) intelligent all-in-one machines (hereinafter referred to as "products"), and should be used as a reference for the design, R&D, inspection, etc. of other LED display products.