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 289 lm, Light Technology Incandescent, Shatter- No, Trade Number 1460, Voltage 6.5V AC, Watts 18 W, Bulb Beam Angle Not Applicable, Rated Life 100 hr, Dimmable No, For Enclosed Fixtures No, Three-Way No, Light Color White, Indoor/Outdoor Usage Indoor Only, Overall Length 2 in