CE certification is limited to the basic safety requirements of products that do not endanger the safety of humans, animals and goods, but not to general quality requirements. The coordination instructions specify only the main requirements, and the general instruction requirements are standard tasks. Therefore, the accurate meaning is: the ce mark is the safety standard, not the quality standard. It is the "main requirement" that forms the core of the European directive. The "CE" logo is a security certification mark that is regarded as a manufacturer's passport to open and enter the European market. CE represents the European Unification (conformite europeenne). The "CE" mark in the EU market is a mandatory certification mark. Whether it is a product produced by an enterprise within the EU or products produced by other countries, it must be affixed with the "CE" sign if it wants to circulate freely in the EU market. To show that the product meets the basic requirements of the EU New method for Technical Harmonization and Standardization. This is a mandatory requirement for products under EU law.

Fcc is the full name of federal communications commission, for the Federal Communications Commission of the United States. Established under communications act in 1934, fcc is an independent agency of the United States government that is directly responsible to Congress. Fcc coordinates domestic and international communications by controlling radio, television, telecommunications, satellites and cables. In order to ensure the safety of radio and wire communications products related to life and property, fcc's Engineering and Technology Department, (office of engineering and technology), is responsible for the committee's technical support, which involves more than 50 states, Colombia and the United States. Also responsible for equipment approval. Many radio applications, communications products, and digital products entering the U.S. market require the approval of fcc. The fcc committee investigates and studies all stages of product safety to find the best way to solve the problem. At the same time, fcc also includes radio devices, aircraft detection and so on.

Rohs is a mandatory standard established by EU legislation. Its full name is the Directive on restricting the use of certain harmful components in Electronic and Electrical equipment. (restriction of hazardous substances). The standard has been put into practice since July 1, 2006. It is mainly used to standardize the materials and process standards of electronic and electrical products so as to make them more favorable to human health and environmental protection. The aim of the standard is to eliminate six substances, namely lead, mercury, cadmium, hexavalent chromium, polybrominated biphenyls and polybrominated diphenyl ethers (note: the correct Chinese name for pbde is polybrominated diphenyl ether, and polybrominated diphenyl ether is the wrong term), The content of lead should not exceed 0.1%.