TEKMAND FADER WING can work withTekmand Command Wing,It can be extended by 15 faders,or used separately。By connecting the computer Tekmand onPC software via USB, you can easily control a variety of lighting equipment, including various types of servers such as: Arkaos, Picturall, Madrix, etc. With 4 Dmx512 input and output ports, you can also expand more output ports by add DPU.