GE Lighting 80315 150-Watt 1740-Lumen PAR38 Light Bulb with Medium Side Prong Base, 12-Pack Uses 120-Watt 1740-lumens providing a fresh, energizing light Lasts 1.8 years based on 3 hours per day usage Estimated yearly energy costs-Dollars18.06 based on 3 hours per day-Dollars0.11 per kWh PAR38 indoor floodlight with Medium Side Prong base for use in directional fixtures such as recessed can lighting