... saving 3.Long lifespan>50000h Wholesale 5W COB LED Crystal Ceiling Lamp,warm white,cool white DescriptionSave more than 90% of ... , hotel, etc.SpecificationName:5W COB LED Crystal Ceiling LampMaterial:Aluminum Alloy+CrystalInput Voltage:220VEmitting Color:Warm White,WhiteColor Temp:2800-3200K ... Long time working, 12 hours/day is perfect, produce low heat• No RF Interference• No mercury or other hazardous ...