... 4)CE&RoHS;CC 5)Factory,2years warranty Round 12w dimmable led ceiling light 12w 1,Material:Aluminum,car/die-casting aluminum ... KGLED chip:Cree,Osram,Bridgelux,Edison,EpistarPS:MMInput voltage:12/24V/85-265V;50-60HZGW:KGManufacture Experience:6yearsLife span:50000hrsBeam ... cooling method 2,see the power supply(commonly known as transformer):Transformer determines the life of lamp,lamp beads with more ...