Westinghouse 0501200 43 Watt BT15 Halogen Soft White Light Bulb with Medium Base Soft white finish, halogen, medium base, 43 watts, 120 volt Bulb life of 1,000 average rated hours Perfect for table and floor lamps, Ceiling fans, porch lights, and outdoor lanterns and completely dimmable Estimated yearly energy cost: $5.18 (based on 3 hrs/day, 11/kwh. Costs depend on rates and use) Light appearance: 2900K