half spiral energy saving lamp 2,100% Tir phosphor 3, ... EMC ,LVD)ROHS,SAA,TUV, half spiral energy saving lampApplicationHome,hotel,restaurant,office,meeting room,shops and ... to 80% energy saving comparing with incandescent Bulbs5.8000hours long life and 1 year quality guarantee (calculated ... offices etc, where requires lighting for long time3.high wattage lamps are specially for street, square, parking ...