Inquiry about types of freckle lasers

Hello, I'm writing to inquire about the freckle laser! I know there are several types of freckle lasers, but I'm curious about which machines Maypure Clinic has.

And I'm also curious about the difference between the freckle laser and the melasma laser! Which would be better if they were used together?

Lastly, I would like to ask if the first visit event is only available once for all branches, or once per branch :)