... ,4.up to 80% energy saving comparing with incandescent bulbs5.8000hours long life and 1 year quality guarantee (calculated 3.5h ... per day)6.Safety use, flicker free and instant start7.All lamps are CE ... long timehigh wattage lamps are specially for street, square, parking lot, petrol station, workshop, garage and shop etc. High Power Lotus Energy Saving Lamp