... : -20-60 2. Supply voltage: DC5V,12V,18V,24V can choose 3. Output: SPI signal DMX_SPI Controller+SPI ModuleMaster Controller 1, LCD display ... function;2,Key-press(4 pcs)operation function;3 ... *3CH,4*3CH,8*3CH,16*3CH)Master Controller 1, LCD display function;2,Key-press(4 pcs)operation function;3,Memory ...