Product useage: Horizontal UKCA Three-Wire Two-Channel Double Button Controlled Power Supply Horizontal three-wire two-channel double button power supply, built-in multifunctional controller, realize multifunctional switching, cold white/warm white color. According to the use environment, the products are divided into two categories: indoor IP20 and outdoor IP44 waterproof. The products are mainly used in LED lighting, LED decorative lights, such as Christmas lighting, copper wire lights,laser lights, lawn lights, etc. This kind of power supply is also called eight-function transformer, European standard transformer, lamp string transformer, controller, BS transformer, LED driver, adapter, etc. This type of vertical integrated power supply with invention patent, simple operation, good waterproof effect.