Check the listing for details. [ Whadda Velleman WSL8062 ] USB Controlled DMX Interface (Kit). Condition: New. Listed at 59.95 USD. Features:This unit can control DMX fixtures using a PC and USB interfaceTest software and "DMX Light Player" software is included, a DLL is provided to write your own softwareFurthermore there is a stand-alone test function that outputs all 512 channels at a time, with adjustable levelsKit includes:Nice enclosureUSB cableCD with: test software, DLL for own developments, free DMX light playerAlso available in an assembled version: VM116 Specifications: Connected and powered through USB512 DMX channels with 256 levels each3 pin XLR-DMX output connectorWindows 98SE or higher compatibleDLL included to write your own softwareOptional 9V battery needed for stand alone test modeSolid state - fuse protection on DMX outputDimensions: 4.2 x 4.0 x 1.8"