Incandescent Bulb, Bulb Base Type Double Contact Bayonet (BA15d), Bulb Housing Glass/Metal, Bulb Shape T6-1/2, Bulb Finish Frosted, Color Rendering Index 100, Color Temperature 2700K, Lumens 90 lm, Light Technology Incandescent, Shatter-Resistant No, Trade Number 20T6 1/2, Voltage 120V AC, Watts 20 W, Bulb Beam Angle Not Applicable, Rated Life 5,000 hr, Dimmable Yes, Three-Way No, Light Color White, Rough Service No, Overall Length 5 9/16 in