... 6000~10,000hrs 5,CE,(EMC ,LVD)ROHS,SAA,TUV, half spiral energy saving lampApplicationHome,hotel,restaurant,office,meeting room,shops and ... comparing with incandescent Bulbs5.8000hours long life and 1 year quality guarantee (calculated 3.5h per day)6.Safety use, ... restaurant, hotels, offices etc, where requires lighting for long time3.high wattage lamps are specially for street, square, parking lot, ...