Products are mainly used in LED lighting, LED decorative lights, such as Christmas lights, copper lights, laser lights, laser lights, lawn lights, etc. This type of power supply is also called eight-function transformer, light string transformer, controller, etc. The vertical integrated power supply has domestic and foreign invention patents and has a good waterproof effect. According to different national safety certification, it can also be divided into GS, BS, SAA, UL, PSE and other integrated power supply with built-in controller.