Photoelectric instruments are generally medical instruments and cannot be used for life beauty. It is necessary to know the detailed working principle of the instrument. According to the relevant laws and regulations, those who produce medical devices and medical materials that do not meet the national standards and industry standards for protecting human health, or who knowingly sell medical devices and medical materials that do not meet the national standards and industry standards for protecting human health, which is enough to seriously endanger human health, shall be sentenced to fixed-term imprisonment of not more than three years or criminal detention, and shall also be fined not less than 50% but not more than two times the sales amount; Whoever causes serious harm to human health shall be sentenced to fixed-term imprisonment of not less than three years but not more than ten years, and shall be fined not less than 50% but not more than two times the sales amount; If the consequences are especially serious, he shall be sentenced to fixed-term imprisonment of not less than 10 years or life imprisonment, and shall also be fined not less than 50% but not more than 2 times the sales amount or his property shall be confiscated. legal ground

Article 145 of the Criminal Law of People's Republic of China (PRC) commits the crime of producing and selling unqualified medical devices. Whoever produces or sells medical devices and medical materials that do not meet the national or industrial standards for protecting human health, or knowingly does not meet the national or industrial standards for protecting human health, which is enough to seriously endanger human health, shall be sentenced to fixed-term imprisonment of not more than three years or criminal detention, and shall also be fined not less than 50% but not more than 200% of the sales amount; Whoever causes serious harm to human health shall be sentenced to fixed-term imprisonment of not less than three years but not more than ten years, and shall be fined not less than 50% but not more than two times the sales amount; If the consequences are especially serious, he shall be sentenced to fixed-term imprisonment of not less than 10 years or life imprisonment, and shall also be fined not less than 50% but not more than 2 times the sales amount or his property shall be confiscated.