... anion decorative lamp 1,Work voltage: 220V,50Hz; 2, Life span: over 8000hours 3, Base: E27, nickel coated copper anion decorative lamp1, ... % less energy than incandescent lamp;3, Releasing high density negative ions which is appropriate and good for healthy;4, ... the smoke, Promoting health, food preservation and antibacterial, boosting the immune system and refreshing the air.5, Compact size, ...