Thank you for using DMX512 Decoder series.It adopts the advanced micro-computer control technology, it converts the DMX-512/1990 standard digital signal adopted widely in international to the analog control signal.Output 3 Channels for option and each channel able to achieve 256 levels of brightness controlling,and also it can be used as the connector of PC digital-light controller and analog light modulator. It is mainly used for the controlling of buildings & lights applied LED.