Incandescent Bulb, Bulb Base Type Glass Wedge (W2.1x9.5d), Bulb Housing Glass, Bulb Shape T5, Bulb Finish Clear, Color Rendering Index Not Applicable, Color Temperature 2300K, Lumens 37 lm, Light Technology Incandescent, Shatter- No, Trade Number 901, Voltage 12.8V AC, Watts 3.968 W, Bulb Beam Angle Not Applicable, Rated Life 500 hr, Dimmable No, For Enclosed Fixtures No, Three-Way No, Light Color White, Indoor/Outdoor Usage Indoor Only, Overall Length 1 1/2 in, Standards RoHS Compliant