Incandescent Bulb, Bulb Base Type Glass Wedge (W2.1x9.5d), Bulb Housing Glass, Bulb Shape T3-1/4, Bulb Finish Clear, Color Rendering Index Not Applicable, Color Temperature 2400K, Lumens 11 lm, Light Technology Incandescent, Shatter-Resistant No, Trade Number 555, Voltage 6.3V AC, Watts 1.575 W, Bulb Beam Angle Not Applicable, Rated Life 3,000 hr, Dimmable No, For Enclosed Fixtures No, Three-Way No, Light Color White, Indoor/Outdoor Usage Indoor Only, Overall Length 1 1/16 in