anion decorative lamp 1,Work voltage: 220V,50Hz; 2, Life span: over 8000hours 3, Base: E27, nickel coated copper anion decorative lamp1, ... good for healthy;4, Function of cleaning the air, Removing the smoke, Promoting health, food preservation and antibacterial ... , boosting the immune system and refreshing the air.5, Compact size, convenient installation, ...