The feature should be available before August 27th is over. It’ll be enabled by default when you get it, but you can turn it off through the Nest app. This isn’t a surefire defense against package thieves by any stretch. You’ll want someone present at home if it’s a can’t-miss purchase. You might not have to watch the front door like a hawk, though, and this might help you find out if someone did swipe your parcel before you could grab it.