Product useage: LED vertical type switching power supply , normally on with timing function , meets the standard of switch power supply certification standard of SAA, Built- in LED light flashing controller has the function of overload protection ,over voltage protection ,constant voltage protection ,constant current protection and timing capabilities .Such as 8 hours on, 16 hours off, timing mode can be designed according to customer's requirements .According to the use environment, the products are divided into two categories: indoor IP20 and outdoor IP44 waterproof.Products are mainly used in LED lighting and LED decorative lights fields ,Such as Christmas lights, copper wire lights, laser lights, lawn lights, etc. This kind of power supply is also called SAA standard transformer, lamp series transformer, controller, SAA power supply, SAA transformer, LED driver, adapter, etc. This type of vertical integrated power supply with invention patent,simple operation, good waterproof effect.