... over 8000hours 3, Base: E27, nickel coated copper anion decorative lamp1, Flicker free instant start, long life average 10000 hours ... ;3, Releasing high density negative ions which is appropriate and 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 ...