... can choose 3. Output: SPI signal DMX_SPI Controller+SPI ModuleMaster Controller 1, LCD display function;2,Key-press ... /pcs Wholesales price: US$44.45/pcsDMX_485 controller+slave controller(1*3CH,4*3CH,8*3CH,16*3CH ... ; 7,To receive DMX signals and take up two channels (model and speed).Master controller model: LN-DMX485 ... least 500pcsCertificates: CE and RoHSProductionPacking DMX_SPI Controller+SPI Module