The $30 Ring Mailbox Sensor-- a simple device that sends alerts to your phone when your mailbox's door opens -- is now available to buy. I got my hands on one, but haven't had the chance to fully test ...

In addition to the Ring Always Home Cam, a $250 flying drone/security camera, the Amazon company also quietly introduced a $30 Mailbox Sensor last week via a low-key announcement page. Similar to the ...

The mailbox is one of the most enduring icons of the American home. Even in an age of email and streaming video, nearly every home in the nation maintains some kind of mailbox, a reminder that some ...