... . Lamp base: E27 / B226. High luminous flux, good light efficiency, energy saving7. Quality standard: CE, UL, SASO8.Packing.color ... obvious effect in relieving pain.6),Sterilizing Function: negative ion generator can generate small amount of ozone when generating alot ... sediment. 8),Protection: neutralize high voltage static of TV and computer , form negative ion protective layer and effective reduce ...