GE Lighting 63023 Energy Smart LED 7-Watt (50-watt replacement) 300-Lumen PAR20 Floodlight Bulb with Medium Base, 1-Pack 50-watt replacement uses only 7-watts Provides 300 lumens Lasts 22.8 years based on 3 hours per day usage Estimated yearly energy costs $0.84 based on 3 hours per day $0.11 per kWh $110 in energy savings over the life of the bulb based on 3 hours per day usage.Dimmable LED Bulb.