Link states product costs $89.99, it's almost triple that cost for a basic setup. Starts at $249.99. False advertising for click-bait
Up to five lightpacks can be hooked up and coordinated to operate together under the provided software.
Lightpack is an opensoource project that has its PCB layouts under GPL license as well as disclosed all software and firmware code.
Users who use ATI graphics may see a larger toll on efficiency as there is a problem in the ATI drivers.