LimoStudio 45-Watt Photo CFL Full Spectrum Light Bulb by LimoStudio, AGG1758 Contents: 45-Watt Day Light Fluorescent Photo Bulb Color Rendering Index: 80, Color Temperature: 6000K Standard E26/E27 Base Size, 8x3-inch Dimension Equal to 200W Incandescent Light Bulb Output Average 8,000-hour Lifespan