Starting with the mount and screws that come with the Blink Xt2 outdoor security camera, this part lets you attach it to a tripod. You can also mount it to anything else with a 1/4"-20 screw. For example I have screwed some to magnets, to mount the camera to a steel fence.

I wanted to make it sort-of stylish and curvy. I may or may not have succeeded.

The reason it sticks out so much t the back is to accommodate the long screws that come with the camera. When installing those screws, you might want to take a two steps forward, one step back approach, so tapping goes more smoothly.