Lamp, Bulb Base Type 4-Pin (GX24q-4), Bulb Finish Frosted, Trade Number CF42DT/E/IN/827/ECO, Bulb Shape T4, Color Rendering Index 82, Color Temperature 2700K, Incandescent Wattage Equivalency 190 W, Lumens 3,200 lm, Bulb Housing Glass, Light Technology Fluorescent, Shatter- No, Voltage 135V AC, Watts 42 W, Bulb Beam Angle 360 Degrees , Three-Way No, Rough Service No, Dimmable Yes, Bulb Power Source Requires Separate Ballast, Light Color White