Window Frame Mirror Looking For The Name Of A Mirror That Is Hung Outside A 2nd Or 3rd Floor Window To See Who Is At The Door?

Looking for the name of a mirror that is hung outside a 2nd or 3rd floor window to see who is at the door? - window frame mirror

Hello everybody, I need help. I live in a house with 3 floors and my office is on the third floor. I am looking for a multi-angle mirror is placed outside the house, hanging out the window. So, if someone at the door, I looked out the window in the mirror down on the door. Any help with the name of this article or you can buy would be greatly appreciated.