1:LED power supply 2:Constant current 3:CE,RoHS and TUV certificated. 4: Warranty: 3 years 5:ISO 9001:2008 manufacturer 1:LED power ... , or in over heated.6: Use imported chips in LED driver, enable the products to be high efficiency, high reliability ... transmission.9:The driver adopts PWN constant current, it ensures long time usage and slowly light diminishing, and each LED works separately, it ...