[Cinnamontea]

But how do you know if you know them without answering the door?

This was always my dilemma, so recently I bought a Blink outdoor camera and screwed it under my eaves, pointing toward the front door and my driveway. When someone rings the bell, I hit a button in the Blink app on my phone and immediately see who it is. It was surprisingly easy to set up.

[ProtectOurFreedom]

The tops of their heads reveals their identity?