Exceptional Brightness: Provides more light to illuminate large spaces and provide security outdoors 120 Watt replacement using only 16 Watts (1300 lumens) Rated to last 22.8 years with an annual operation cost of 1.93 dollars based on 3 hours per day use at 11 cents per KwH Dimmable and works with most dimmer switches Cool, bluish white daylight light with 5000 Kelvin color temperature Includes 1 PAR38 (4 and 3/4-inch diameter) shape and size bulb