... years warranty 4.CE,RoHS high efficiency 5w downlight led from shenzhen factory Parameter list Power Consumption5wLED Quantity5pcsInput VoltageAC85-277VColorwhite, Black, ... .Unique sinking device and its special design of shell help to good heat disspation. 3. Constant current driver ,instant on ... ,no warm-up time required, easy to install and maintain. 4.Energy-saving,long life span ...