With the advancement of technology, smart power switches are gradually entering millions of households. These switches integrated with IoT technology can not only be remotely controlled through a mobile app, but also automatically adjust indoor lighting based on factors such as ambient light and human activity, achieving energy conservation and emission reduction. The emergence of smart power switches not only enhances the level of intelligence in home life, but also allows people to enjoy technological convenience while contributing to the environmental protection of the earth. It is leading a new trend in future life, making our lives greener and smarter.