... . Output: SPI signal DMX_SPI Controller+SPI ModuleMaster Controller 1, LCD display function;2,Key-press(4 pcs)operation function;3, ... price: US$50.8/pcs2, Slave controller: 1,Offer(1*3CH,4*3CH,8*3CH,12*3CH)channel output ... 4*3CH,8*3CH,16*3CH)Master Controller 1, LCD display function;2,Key-press(4 pcs)operation function ... least 500pcsCertificates: CE and RoHSProductionPacking DMX_SPI Controller+SPI Module