They don't give you the opportunity to choose left or right configuration.  The metal brackets have bent.  The anchors they send require to big of a fairly big drill bit (for concrete) that is hard to find.  The area in which the arms articulate in and out is starting to bend.  I've only had this thing two months and it has a decent amount of wear and tear already.  The price was pretty good, but I'm glad I didn't purchase the electronic one because it would not have been worth it.  I think I want a refund as it is.