Plug-In CFL Bulb, Bulb Base Type 4-Pin (GX24q-3), Bulb Finish Frosted, Trade Number F26TBX/841/A/ECO, Bulb Shape T4, Color Rendering Index 82, Color Temperature 4100K, Incandescent Wattage Equivalency 100 W, Lumens 1,800 lm, Bulb Housing Glass/Metal, Light Technology Fluorescent, Shatter- No, Voltage Ballast Dependent, Watts 26 W, Bulb Beam Angle Not Applicable, Three-Way No, Rough Service No, Dimmable Yes, Bulb Power Source Plug and Play, Light Color White