GE Lighting 69148 Energy-Efficient Halogen 38-watt 530-Lumen PAR20 Floodlight Bulb with Medium Base, 1-Pack 50-watt replacement uses only 38-watts - 2700K soft white light appearance 530 lumens, 30 degree spread, providing cozy, relaxing light Life expectancy 3000hrs, equivalent to 2.7 years based on 3 hours per day usage Estimated yearly energy costs 4.58 based on 3 hours per day 0.11 per kWh PAR20 indoor floodlight with medium base for use in directional fixtures such as recessed can lighting