In addition to the Ring Always Home Cam, a $250 flying drone/security camera, the Amazon company also quietly introduced a $30 Mailbox Sensor Thursday via a low-key announcement page. Similar to the Ring Motion Sensor accessory for Ring lighting products, the new Mailbox Sensor is a little sensor that relies on Amazon's Sidewalk technology to extend the range of your Wi-Fi network.
Click here to read more -->Ring Mailbox Sensor: Amazon quietly introduces mail surveillance
