Always know when your mailbox is opened with the Ring Mailbox Sensor. It’s a wireless, battery-powered motion sensor that tells you when your mailbox is opened. Ring Mailbox Sensor works with your Ring app and sends notifications* to a smart phone or any Alexa-enabled device when the device detec...

Installing your Mailbox Sensor is a simple process. Simply follow the instructions below. Installing the mailbox sensor with the antenna The Mailbox Sensor goes on the inside of your mailbox door. The antenna goes on the outside, and its cable needs to run inside to the sensor. To avoid ...