The Obey 40 is the next step up from the Obey 10, allowing for control of up to 12 fixtures at 16 channels each. With a slightly larger size comes a larger capacity: the Obey 40 has 30 banks on 8 scenes, or up to 240 scenes. The Obey 40 offers the flexibility of its little brother but also adds fog and strobe control and MIDI compatibility. Features: Universal DMX-512 controller Controls up to 12 intelligent lights of up to 16 channels each 30 banks of 8 scenes, 240 scenes max 192 DMX channels of control 6 sets of chases containing 240 scenes Program fade and speed time into each step Reversible sliders Re-assignable channels Sequential linking of chases Fog & strobe control buttons Grab any fixture on the fly Beat activation, tap-sync and auto run DMX polarity selector 3-space (3U) rack mount MIDI compatible.