Show XPress-512 Features: • Self-contained DMX interface for the ShowXpressTM software • Transmits 1 DMX universe or connect multiple units to control multiple universes • Create unlimited shows when operating with a computer • Easily store and playback 1 show without a computer • Compatible with Windows® and Mac OS X systems • Lock your cable into place using the Neutrik® DMX connector For ShowXpressTM Downloads go to manufacturer's Website