... ,lifetime:8000h 4,certificate:CE ROSH Full sprial energy saving lamp(18w)1.CE EMC,ROHS,FCC,E-TICK approvals2.Switching ... .Brightness of the bulb is five times greater than a lamp of same wattage,Saving 80% of used energy5.High Color ... department,store,underground garage,exhibition,etc.Parameters: ModelWattVoltageHertzColor TemperatureLumenLifetimeBase TL-FS/18W 18 110/220V 50/60Hz 2700K-6400K 920 8000H ...