Emart 105 Watt Full Spectrum Photography Lighting Photo Studio Light Bulb, 5500K CFL Daylight Balanced - 4 Pack 4 x Photo light large bulb 105W CFL 5500K daylight balanced pure white light Accurate Color Rendering Index (CRI): 80~85. Lumen: 6000. Temperature: 5500K No noise and no flicker. Average lifetime is 8,000 Hours Fit on to any standard socket, Each bulb length: 11 inch, diameter: 3.8 inch Watts: 105W - Equals to 600W Regular Incandescent Light Bulb Output