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, hotels, offices etc, where requires lighting for long time3.high wattage lamps are specially for street, square, parking lot, petrol ...