SPL Horticulture 250 Watt CFL Compact Fluorescent Grow Light Bulb System of 2700k for Plant Growing Horticulture 250 Watt 2700K CFL Light Bulb / ) C.R.I. (Ra) :&gt;80 Base:E39 / E40, Color Temperature- 2,700 Kelvin / 120V/60Hz Reflector Measures - 19" x 19" x 5" (Mogul Base Socket Included!) Package Includes: 1 -Horticulture 250 Watt 2700K CFL Bulb / 1 - 19" Gulling CFL Reflector Hood