Incandescent Bulb, Bulb Base Type Single Contact Bayonet (BA15s), Bulb Housing Glass, Bulb Shape S8, Bulb Finish Clear, Color Rendering Index 100, Color Temperature 2761K, Lumens 264 lm, Light Technology Incandescent, Shatter- No, Trade Number 1141, Voltage 12.8V AC, Watts 18.4 W, Bulb Beam Angle Not Applicable, Rated Life 1,000 hr, Dimmable No, For Enclosed Fixtures No, Three-Way No, Light Color White, Indoor/Outdoor Usage Indoor Only, Overall Length 2 in, Standards RoHS Compliant