Fovitec StudioPRO - 1x 45 Watt Daylight Fluorescent Light Bulb - [1 Pack][45W][5500K][CFL][Full Spectrum] Contents: 1x 45 watt bulb 90+ CRI: Daylight-balanced, 5500K CFL bulbs deliver true and accurate colors for most uses video and photography uses Energy-Efficient: Rated to last 5+ years at 4+ hours of usage per day with energy savings up to 80% Flicker-Free: Ideal for regular-use lighting, photography, and unimpeded video