The Kino Flo CFL 26Watt KF32 Tungsten Balanced Household Socket lamp is a color-correct CFL that is equivalent to a 100W incandescent bulb. It was specially designed for the professional film, photography and video industry. Its unique formula rated at CRI 95 matches the spectral distribution curves of HD cameras. The 26W CFL is energy efficient , 120VAC with E26 screw base. Kino Flo CFL 26W KF32 Lamp Part Number: 26S-K32-120 Description: 26W Kino KF32 /120VAC 60Hz 390mA Type: F26/CFL Length: 6.6″ (167.6mm) Diameter: 2.28″(57.9mm) Nominal Base: E26 Screw Base Wattage: 26 Lumens: 1400 Color Temp: 3200°K Life: Approx. 5000 hours (color temperature may start to change around 3000 hours.) Please Note: This is a 60hz product. For motion picture purposes shoot within flicker free safe windows. Non-dimmable.