I've used the 1A version, it looks literally identical.
My PostProvided yours had the pieces of plastic/paper in the housing, i'd say it was acceptable.
I mean, the output is likely to be clean, and it seems well isolated, the input is fused, and has a cutout, BUT the traces for active and neutral are awfully fucking close. If there is a short, you're going to be hoping your house has appropriately rated breakers.