It’s screwed to the door frame where a striker plate would be, and acts like one, except the black plastic part retracts instead of the striker on the door.

[Image 1](https://www.linkpicture.com/q/C7E3CB04-EADD-495C-907E-411F8800296E.jpeg)

[Image 2](https://www.linkpicture.com/q/C841FC27-88B5-4ED2-958E-0E23FE8D04FA.jpeg)