... Controller+SPI ModuleMaster Controller 1, LCD display function;2,Key-press(4 pcs)operation function;3,Memory storage ... 3CH,12*3CH)channel output,every channel 1-4A,2,Supply voltage:can choose DC6V,DC12V,DC24V3,Received ... ,16*3CH)Master Controller 1, LCD display function;2,Key-press(4 pcs)operation function;3,Memory storage ... 500pcsCertificates: CE and RoHSProductionPacking DMX_SPI Controller+SPI Module