... Output: SPI signal DMX_SPI Controller+SPI ModuleMaster Controller 1, LCD display function;2,Key-press(4 pcs)operation function;3 ... price: US$50.8/pcs2, Slave controller: 1,Offer(1*3CH,4*3CH,8*3CH,12*3CH)channel output ... *3CH,8*3CH,16*3CH)Master Controller 1, LCD display function;2,Key-press(4 pcs)operation function ... 3.Lead time: 3-7 days for sample order,10 to 15 days after large order 4.Shipping methods ...