Traxon Technologies’ Butler S2 scalable lighting control engine can store up to 99 preprogrammed cuelists and play back up to eight cuelists—in parallel—in standalone mode. Intended for use with the Butler XT2 and can be clustered with additional control engines to output up to 16,384 DMX512 channels or 32 DMX512 universes. It has a built-in web server for easy setup and configuration; a fixed SD card stores and can replay cuelists in case of a lost Ethernet connection.