The Compact Fluorescent Lamp can save energy up to 80% and it has a long working life. The lamp has an accurate CRI and the lightness is extremely bright. Accurate color rendering Index (CRI): 85~90. Lumen: 3000. Temperature: 5500K. Operating Voltage: 110V. Watts: 185W. Compared to normal bulb, it is free of noise and flicker. It can be used for professional photography studio, can also use it as a light source or a grow light for plants. Specifications： Length: 9.5 inch diameter: 3 inch 5500 Kelvin / 85 Watt CRI: 85-90 / 3000 Lumen Energy Saving up to 80% E26/E27 Standard Base Size Spiral Shape / Daylight Lifetime: >8000h Style: Spiral Package Includes: 2 x 85W 110V 5500K Compact Fluorescent Lamp Warranty: Warranty 12 months, if you receive the product is broken, we will help you within 24 hours to deal with