half spiral energy saving lamp 2,100% Tir phosphor 3,Real ... ,(EMC ,LVD)ROHS,SAA,TUV, half spiral energy saving lampApplicationHome,hotel,restaurant,office,meeting room,shops and ... white and colored3.using 100% troposphere tube,4..up to 80% energy saving comparing with incandescent Bulbs5.8000hours long ... the filament prior to lamp ignition in order to extend the lifetime of tube.After serviceWe give one ...