... *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: LN-DIVSPI-1*3CH-12VRetail price: US$7.62/pcs Wholesales ... ,DC12V,DC24V 3,Received or transmit control SPI signalsSlave Controller Model:LN-DIV485-1*3CH-12V Retail price: US$7.62/pcs ...