Incandescent Bulb, Bulb Base Type Glass Wedge (W2.1x9.5d), Bulb Housing Glass, Bulb Shape T3-1/4, Bulb Finish Frosted, Color Rendering Index Not Applicable, Color Temperature 1000K, Lumens 25 lm, Light Technology Incandescent, Shatter- No, Trade Number 194R, Voltage 14V AC, Watts 3.78 W, Bulb Beam Angle Not Applicable, Rated Life 1,500 hr, Dimmable No, For Enclosed Fixtures No, Three-Way No, Light Color Red, Indoor/Outdoor Usage Indoor Only, Overall Length 1 1/16 in