half spiral energy saving lamp 2,100% Tir phosphor 3,Real power ... ,(EMC ,LVD)ROHS,SAA,TUV, half spiral energy saving lampApplicationHome,hotel,restaurant,office,meeting room,shops and ... of different colors: white, warm white, cool white and colored3.using 100% troposphere tube,4..up to 80% energy saving ... the filament prior to lamp ignition in order to extend the lifetime of tube.After serviceWe give ...