... Aluminum Alloy 2.High quality,energy saving 3.Long lifespan>50000h NEW!!!Energy Saving New Design 5W COB LED Crystal Ceiling Downlight DescriptionSave ... of high quality metal materials, safe and long lifespan. Perfect for living room, hall, office, store, super market, hotel ... • No mercury or other hazardous materials, accord with RoHs• Working environment -20 centigrade-65 centigrade , suitable ...