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.Compared to normal bulb, it is free of noise and flicker.It can be used for professional photography studio, and you will find the quality of your image improve a lot.You can also use the bulb as a light source or a grow light for plants.The bulb will not get hot after a long work and is extremely bright.Feature:Length: 22.8cmiameter: 7.6cmPower: 105WStyle: SpiralColor temperature: 5500KVoltage: 220-240V 50HzLifetime: >8000hLumen: 4500CRI: 80~85Package include:2 x 105W 110V 5500K Compact Fluorescent Lamp