... signalMaster controller model: LN-DMXSPI-MAIN Retail price: US$60.32/pcs Wholesales price: US$50.8/pcs2, Slave controller: ... (1*3CH,4*3CH,8*3CH,12*3CH)channel output,every channel 1-4A,2,Supply voltage:can choose DC6V, ... (1*3CH,4*3CH,8*3CH,12*3CH)channel output,every channel 1-4A,2,Supply voltage:can choose DC6V, ... at least 500pcsCertificates: CE and RoHSProductionPacking DMX_SPI Controller+SPI Module