The NSI/Leviton DS12-24 Rack-mountable Dimmer controls 12 channels, 1200 watts per channel, up to 14,400 watts total. It has a 20 button function keypad, programmable time fade presets and programmable bump buttons. It has dual control input: NSI Microplex (3 pin XLR), and DMX512 (5 pin XLR) for full versatility. A termination switch is mounted on the front panel. This model has knock out for do-it-yourself wiring. Suggested users include touring groups, or theatres where complete pack removal is difficult or impossible.