Ring Mailbox Sensor, Up to 3 Years of Battery Life – Black

Get alerts — Ring Mailbox Sensor is a battery-powered motion sensor that sends you real-time notifications via the Ring app when your mailbox opens.
Stay online — Mailbox Sensor connects with Amazon Sidewalk out of the box. You do not need a hub device like Ring Bridge or Alarm Pro Base Station (sold separately) if your Mailbox Sensor is using Amazon Sidewalk to connect.
Works with Alexa — Connect Ring Mailbox Sensor to an Alexa-enabled device and Alexa will notify you when your mailbox has been opened.
Pair with other devices — Link with Ring Smart Lighting, Cameras, and Doorbells to turn on and start recording when the sensor detects motion.
Customize your security — Adjust the motion sensitivity in the Ring app to fit your home.