This is a case for the Domestic Automation LLC WLED Smart controller. You can find this controller on Amazon :
https://www.amazon.com/gp/product/B0BPYR92YP/ref=ppx_od_dt_b_asin_title_s00?ie=UTF8&psc=1

More information found on their website:
https://sites.google.com/view/domesticautomationllc/home

This case is designed on snap-fit together to fully enclose the circuitboard. Ventilation slices were put in the sides, as well as a port to run cables for power infusion.