Sunlite SLESA-U9 Easy Stand alone - Entry level USB-DMX interface. 256 DMX OUT channels. 8 dry contact ports. 20k stand alone memory. Works with Easy Stand Alone software : ESA (PC) and ESA2 (PC/MAC) versions. USB connection only. This product can not be controlled through ETHERNET and WIFI network. Delivered with a mini USB cable and installation CDROM. AC/DC 5V MINI USB adapter optional.