I am not familiar with the machine you point out but UBI , ultraviolet Blood Irridiation is quite different. First of all the light is in the ultra violet range. Your blood is circulated out of your body and run through the machine and then immediately returned. I is very effective for infections of all sorts as well as some blood cancers.
It may stimulate vitamin D3. How it works no one is absolutley sure but it has been used by alternative practitioners for many many years and some people get yearly treatments just to stay healthy.
"first they ignore you
then they laugh at you
then they fight you
then you win".... Mahatma Ghanda