The latest member of the Ring family of smart home devices, the Ring Mailbox Sensor ($49.99 with the required bridge) is a ...

That red flag is actually a green flag for mail carriers ... but you still may want to think twice about using it ...

The whole system is housed inside a waterproof plastic case, with the LIDAR sensor attached to the inside of the mailbox through a 3D-printed mounting bracket. On the software side, the mailbox ...