External power transformer Standard DMX512 signal MIDI IN / OUT, built-in MIC voice input .8 / 192 DMX channel output, control 12 computer lights (16 channels per channel). The 30 software libraries contain 240 preset scenarios, each with 8 sets of sound scenes, 6 programmable presets, any calling scenes, and scene switching. Programming fast, with memory, LCD display, easy to operate .4 digital display. The BLACKOUT function is available for manual .CHASES programming and CHASES operation functions, available for manual control.Output delay function, with FADETIME potentiometer to adjust the delay time. DMX output polarity selection.