... .8/pcs2, Slave controller: 1,Offer(1*3CH,4*3CH,8*3CH,12*3CH)channel output,every channel 1-4A,2,Supply voltage:can ... choose DC6V,DC12V,DC24V3,Received or transmit control SPI signalsSlave Controller Model ... .45/pcs Slave controller: 1,Offer(1*3CH,4*3CH,8*3CH,12*3CH)channel output,every channel 1-4A,2,Supply voltage:can ...