Light USB to DMX512 LED Light Control Stage Lighting Controller Channels Decoder Module with CDSpecification:Item Type: USB to DMX512 LED Decoder Module Color: black Material: plastics Item size: 95 x 75 x 42mm / 3.7 x 3.0 x 1.7in Package List: 1 x Light Control Module 1 x CD 1 x Cable Easy to install and simpleCompact size for convenient carryingConnected to the computers by USB cable, USB port directly poweredComes with a CD and user manual for you to understand the usage of this machine