... COB Ceiling Lamp 1.Material:Aluminum Alloy 2.High quality,energy saving 3.Long lifespan>50000hours High Quality 5W COB Ceiling Lamp,warm white ... Perfect for living room, hall, office, store, super market, hotel, etc.SpecificationName:5W COB LED Crystal Ceiling LampCase:Wire Drawing ... , produce low heat• No RF Interference• No mercury or other hazardous materials, accord with RoHs• Working environment - ...