... 2.Excellent Color Rendering Index (Ra=80)3.Color temperature : 2700K- warm white 4200K-cool white 6500K-daylight4.Average lifespan :8000Hours5 ... .80% energy saving6.Optional Base :E14,B15,E27,E26,B227.Plastic housing : PP,PC,PBT8.Flicker free and ... Office,Restaurant,Classroom,Workshop,Factory,Shop,Washroom etc )D, 23W E27 FULL SPIRAL CFL 9000K PACKAGE:(COLOR BOX,FOAM,BLISTER...)E ...