Hi there! Is this the doorbell transformer or should I be looking for something else?

I got my parents a Ring doorbell wired for Christmas and want to install it for them.  This is what behind the chime box looks like.  I couldn’t see anything else around the electrical panel, so I think this is where I would need to wire the jumper. I also don’t see anything ratings for this, so is there a way to verify if it meets the 16v requirement? Thank you!