Incandescent Bulb, Bulb Base Type Double Contact Prefocus (P15d), Bulb Housing Glass, Bulb Shape S8, Bulb Finish Clear, Color Rendering Index Not Applicable, Color Temperature 2700K, Lumens 302 lm, Light Technology Incandescent, Shatter- No, Trade Number 1634, Voltage 20V AC, Watts 20 W, Bulb Beam Angle Not Applicable, Rated Life 200 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