TCP LED A19 lamps provide accent light with only 12 watts of power. The long life properties eliminate the hassel of repeated relamping in busy areas. These energy efficient LED lamps project the best light when used in overhead fixtures with the lamp positioned base up. These lamps are for indoor use only and install easily into existing fixtures. Long Life of up to 35,000 hours. They are 100 percent Mercury Free. LEDs emit very little heat, saving on air conditioning costs. Reduced labor and maintenance costs. Provides instant on capability. LEDs emit no UV light, preventing fading of colors on display