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 power adapter, adapter, vertical transformer, horizontal transformer, DC transformer, IP44 waterproof power supply, mesh lamp transformer, etc. The vertical structure power supply has a good waterproof effect. According to different national safety certification, it can also be divided into GS, BS, SAA, UL, PSE and other switching power supplies.