Plug-In CFL Bulb, Bulb Base Type 4-Pin (2G11), Trade Number F18BX, Bulb Shape T6, Color Rendering Index 82, Color Temperature 3000K, Incandescent Wattage Equivalency 65 W, Lumens 1,080 lm, Light Technology Fluorescent, Shatter-Resistant No, Voltage Ballast Dependent, Watts 18 W, Dimmable Yes, Light Color White, Bulb Minimum Starting Temperature 25 Degrees F, Bulb Start Type Preheat, Overall Length 9 in, Rated Life 10,000 hr, Standards Meets 2012 Lighting Legislation Energy