It will offer different color change to the fibers by connect with the DMX light engines. Name:DMX Control BoardSpecifications:52*31*14cmN/W:4.0kgsVoltage:120V/60HZ or 230V/50HZ ONE PIECE SAMPLE ORDER IS ALSO WELCOMED. *No electricity passes to the fibers.It's safe. *Easy installation and maintenance.*If you have special instructions for your order such as dropshipping instructions and gift order ...