The unit controls 2 DMX universes and unlocks an additional ArtNet universe (3 universes total). Easily store and play back 16 shows without a computer using onboard buttons or included remote. Trigger up to 8 scenes remotely using the Phoenix contacts. Xpress-Rack 1024 features a built-in clock and calendar which triggers scenes automatically. Xpress-Rack 1024 is hot-swappable and automatically re-connects within seconds. Compatible with Windows® and Mac OS X systems. Connect multiple interfaces to control additional universes. Both outputs are electrically and optically isolated.