... ,18V,24V can choose 3. Output: SPI signal DMX_SPI Controller+SPI ModuleMaster Controller 1, LCD display function;2,Key-press(4 pcs)operation ... .32/pcs Wholesales price: US$50.8/pcs2, Slave controller: 1,Offer(1*3CH,4*3CH,8*3CH,12*3CH)channel output,every ... Wholesales price: US$44.45/pcsDMX_485 controller+slave controller(1*3CH,4*3CH,8*3CH,16*3CH)Master Controller 1, LCD display function;2,Key ...