... CE-EMC,LVD,FCC,ROHS Led Led negative ions lightbulb CE-EMC,LVD,FCC,ROHS1, Flicker free instant start, ... % less energy than incandescent lamp;3, Releasing high density negative ions which is appropriate and good for healthy;4, Function of ... -price ratio.6, Flame retardant PBT material and nickel plated copper lampholder