half spiral energy saving lamp 2,100% Tir phosphor 3,Real ... power:>85% 4,Lifetime:6000~10,000hrs 5,CE,(EMC ,LVD)ROHS,SAA,TUV, half ... spiral energy saving lampApplicationHome,hotel,restaurant,office,meeting room,shops ... 100% troposphere tube,4..up to 80% energy saving comparing with incandescent Bulbs5.8000hours long life and ...