Incandescent Bulb, S11 Bulb Shape, Intermediate Screw (E17) Bulb Base Type, Incandescent, 440 lm, 40W, 120V AC, Trade Number 40S11N/1/F, Bulb Primary Application Appliances, Miniature Bulb Type, 2700 K, 360 Degrees Bulb Beam Angle, Shatter-Resistant No, Rough Service No, Dimmable Yes, Bulb Finish Frosted, 1 3/8 in Bulb Dia., 2 3/8 in Overall Length, Rated Life 500 hr