LC8812B-RGBW/SK6812RGBW LED is 4 channels rgbw 4-in-1 digital led chip with 4CH LC8812B-RGBW IC ,It has 4 color chips inside the each led,Red,Green,Blue and "W" color chips. The "W" color cct can be CRI>90 warm white, nature white and cool white, even can be the Yellow or Amber color chips for different options,The RGBW pixel led can be the spi controller control and make your own program for it,also can be dmx controller control with the dmx decoder, or controlled with the artnet controller and work with the software as the madrix, MadMapper,single chip micro computer, Arduino or Raspberry Pi and so on.