The Spectrum LED color light for still and video has 12 high performance color balanced white LEDs and 6 RGB color LEDs. Use as either a white light or mix in color light. It creates up to 300 colors to light either the subject or the background. Try it on a black backdrop and watch the possibilities. The Spectrum is easy to operate with two endlessly rotating push button knobs. One knob controls the 5700deg. K daylight brightness adjustments from 20 to 100% brightness, while the other knob controls the color output of the unit.