Light holder for 12v LED puck

This is a holder for a puck light I picked up at my local ace hardware. It was sold as a single light with no power supply (I just found a matching one in a drawer). Unfortunately I can't find a link to it to show you. I'm assuming it's a lot like these:

https://www.amazon.com/AIBOO-Linkable-Lighting-Dimmable-Hardwired/dp/B075J92SKF/ref=sr_1_6?crid=2WXU3S8WR6WV&keywords=12v+led+circular+light&qid=1552065107&s=gateway&sprefix=12v+led+circ%2Caps%2C406&sr=8-6

The holder is attached to th