Right now, you can pick up the Ring Mailbox Sensor for just $24 @ Amazon. The device is very affordable at just $30, but this ...
and an improved motion sensor. It also includes an increased head-to-toe field of view of 150 by 150 degrees. The battery reportedly lasts up to three times as long as previous Ring Doorbell ...
And with a battery ... motion is detected, so you never miss a visitor or package delivery. And if someone tries to take said package, you’ll know too – plus, you’ll have the footage if you want ...
Wired doorbells do not need battery changes, can record indefinitely, but require an existing low-voltage circuit which can ...