Incandescent Bulb, Bulb Base Type Single Contact Bayonet (BA15s), Bulb Housing Glass, Bulb Shape S8, Bulb Finish Clear, Color Rendering Index 100, Color Temperature 2688K, Lumens 402 lm, Light Technology Incandescent, Shatter- No, Trade Number 1156LL, Voltage 12.8V AC, Watts 26.88 W, Bulb Beam Angle Not Applicable, Rated Life 2,400 hr, Dimmable No, For Enclosed Fixtures No, Three-Way No, Light Color White, Rough Service No, Indoor/Outdoor Usage Indoor Only, Overall Length 2 in