Incandescent Bulb, Bulb Base Type Single Contact Bayonet (BA15s), Bulb Housing Glass, Bulb Shape S8, Bulb Finish Clear, Lumens 402 lm, Light Technology Incandescent, Trade Number 1683, Voltage 28V AC, Watts 28.56 W, Rated Life 500 hr, Dimmable No, For Enclosed Fixtures No, Three-Way No, Light Color White, Indoor/Outdoor Usage Indoor Only, Standards Meets 2012 Lighting Legislation Energy Standards