... energy saving lamp 1,100% Tir phosphor 2,Real power:>85% 3,Lifetime:6000~10,000hrs 4,CE,ROHS,saa ul ... 2013 new and hot sale energy saving lampApplicationHome,hotel,restaurant,office, ... 100% troposphere tube,4..up to 80% energy saving comparing with incandescent Bulbs5.8000hours long life ... designed to preheat the filament prior to lamp ignition in order to extend the lifetime ...