... choose 3. Output: SPI signal DMX_SPI Controller+SPI ModuleMaster Controller 1, LCD display function;2,Key- ... DC12V,DC24V3,Received or transmit control SPI signalsSlave Controller Model: LN-DIVSPI-1*3CH-12VRetail price ... pcs Wholesales price: US$44.45/pcsDMX_485 controller+slave controller(1*3CH,4*3CH,8*3CH,16 ... up two channels (model and speed).Master controller model: LN-DMX485-MAINRetail price: US$5 ...