Photography Compact Fluorescent CFL Daylight Balanced Bulb with 5500K Color Temperature for Photography & Video Studio Lighting The 5500K perfect daylight bulb 150w. Energy Saving CFL Spiral Bulb: Saves energy up to 80%. Long lasting bulbs for hours of usuage, rated to last up to 5 years. Accurate Color Rendering Index (CRI) for professional photography & video, rated CRI 90. Photo & Video Friendly: Flicker & Noise Free | Can be Used as a Grow Light for Plants.