Led negative ions lightbulb CE-EMC,LVD,FCC,ROHS Led Led negative ions lightbulb CE-EMC,LVD,FCC,ROHS1, Flicker free instant start, long life average 10000 ... .5, Compact size, convenient installation, high performance-to-price ratio.6, Flame retardant PBT material and nickel plated copper lampholder