Intelligent and quick color change】: yesker ring lights are controlled via the knob on the stand. adjust the color temperature from 3200k to 6000k easily without using color filters and ring light have a wide brightness dimming range from 10%-100%. achieve cold white light or warm light to hide blemishes and change skin tones quickly and easily.12 heat dissipating hole can cool your ring light,which will extend the life of the product.