Ring Mailbox Sensor - White
Ring Mailbox Sensor - Black
Ring Mailbox Sensor - White

Ring Mailbox Sensor

4.2

4.2 out of 5 stars
4.2 out of 5 stars
4.2 out of 5 stars
4.2 out of 5 stars
4.2 out of 5 stars
293

$29.99

Take up to 18 months to pay with as low as 0% APR on some term lengths and no late fees. Prequalify now.
Know when mail arrives or when anyone opens your mailbox. When Mailbox Sensor detects motion, you’ll get a real-time alert in the Ring app or via connected Alexa-enabled devices. It can also tell your Ring Smart Lighting, Cameras, and Doorbells to turn on—helping to light up your yard and record what’s happening (subscription required, sold separately).1

Free Shipping & Free Returns

Please note:
  • 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.
    Amazon Sidewalk coverage in your area may vary and is subject to change or interruption. To check the approximate Amazon Sidewalk coverage in your neighborhood, please visit here.
  • Up to 3 years of battery life based on usage of AAA batteries included with device. Actual battery life may vary depending on different AAA batteries, device settings, usage, environment, and other factors.
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Fastest delivery on Mon, Aug 18 or Standard delivery on Wed, Aug 20
Shipping Restrictions:
  • Does not ship to Canada.

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  • Mobile Device Icon

    Control With Ring App

  • Notification Icon

    Motion-Activated
    Notifications

  • Resistant Icon

    Weather Resistant

  • Alexa Icon

    Works With Alexa

  • Works With Amazon Sidewalk Icon

    Works With Amazon
    Sidewalk

Keep your mail safe and secure.

Add smart security to your mail and packages with Ring Mailbox Sensor. You’ll know as soon as you receive mail or whenever your mailbox is opened.

Person places a letter into metal mailbox with red flag raised, a Ring Mailbox Sensor attached inside.

Make brilliant connections.

Link Mailbox Sensor to Ring Smart Lighting, Cameras, Doorbells, and select Alexa-enabled devices. Then create custom combinations to get the most out of your home security. If your mailbox is opened or detects motion, it can activate your Ring Smart Lighting to light up your home, or your Ring Cameras and Doorbells to begin recording (subscription required, sold separately)1.

Person holds smartphone displaying Ring App notification that reads, 'There is motion in your Mailbox.'

Smarter security. Simple setup.

Use the included adhesive to mount Mailbox Sensor seamlessly into your mailbox or place it in any other metal enclosure like a shed to track motion around your home.

Modern home at dusk with outdoor pathway and garden lights illuminated, showcasing Ring smart lighting features.

Works with Alexa.

Link Mailbox Sensor to select Alexa-enabled devices and create Alexa routines to hear notifications whenever your mailbox is opened or detects motion.

Smart speaker with blue-lit light ring sits on a wooden table next to a decorative moss bowl.

Seamlessly pair with other devices.

Hands holding smartphone and adjusting settings in an app with a blue button.

Connect to the Ring app to stay in the know about what’s going on with your mail.

Three smart lighting devices, including a pathway light, spotlight, and a motion sensor.

Customize how Ring Smart Lighting reacts when Mailbox Sensor detects motion, like lighting up a pathway or making your whole yard shine.

Security camera and a video doorbell, with a blue ring around the button.

Activate Ring Video Doorbells and Cameras to see and record what’s happening whenever your mailbox detects motion (subscription required, sold separately).1

Tech Specs

Size and Color Arrow Icon

Dimensions

Motion Sensor: 2.56in (65mm) x 2.44in (62mm) x 1.47in (37mm);
Antenna: 2.56in (65mm) x 2.56in (65mm) x 0.25in (6.2mm)

Available Colors

Black, White

Features Arrow Icon

Motion Detection

Adjustable motion detection. Up to 120° field of view. Detection angle dependent on distance from unit. 3 meter detection range.

Power Arrow Icon

Power Type

3 AAA-cell batteries (included)

Installation Arrow Icon

Setup Requirements

Use the included toolkit to install the mailbox sensor onto your mailbox.
Mount to most surfaces with included adhesive tape.
Power drill not included.

Operating Conditions

-4 to 122°F (-20°C to 50°C), Weather Resistant

General Arrow Icon

Box Includes

Motion Sensor
Mounting Bracket
External Antenna
Mounting Hardware (adhesive, wire routing accessories)
User Manual
Security Sticker
AAA-cell battery x 3

Warranty

One-year limited warranty

Frequently Asked Questions

Where does the Ring Mailbox Sensor ship to?

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Ships to the U.S. (excluding Alaska and Hawaii)2

What is Amazon Sidewalk?

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Amazon Sidewalk is a shared network that helps devices work better. Operated by Amazon, Sidewalk can help simplify new device setup, extend the low-bandwidth working range of devices, and help devices stay online even if they are outside the range of their home wifi.

What if I don't have Amazon Sidewalk coverage in my area?

Arrow Icon

You can use compatible hubs including Ring Bridge, Alarm Pro Base Station, Echo (4th Generation), Echo Show 10 (3rd Generation). Sold separately. One Ring Bridge supported per household. Amazon Sidewalk coverage in your area may vary and is subject to change or interruption. To check the approximate Amazon Sidewalk coverage in your neighborhood, please visit https://coverage.sidewalk.amazon/.

How does Amazon Sidewalk protect customer information?

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Sidewalk is designed with multiple layers of privacy and security to secure data traveling on the network. Learn more here

Amazon Customer Reviews

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4.2 out of 5

293 global ratings

5 star
65%
4 star
14%
3 star
9%
2 star
3%
1 star
9%
Reviews with images
Previous
Amazon Sidewalk Lives! (In my Sf Bay Area surburban neighborhood)Not consistently reliable

Customer reviews

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Verified Purchase

Awesome and convenient

Reviewed in the United States on July 15, 2025
Mailbox is 100' downhill...needed this!
Works great on the Amazon local wifi network (not connected via hub or my wifi). Using the included antenna, I get a notification everytime the door opens. Like others, I mounted this to the backside inside the box and ran the antenna cord through a gap, ...
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Amazon Customer
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Verified Purchase

Wish I had it sooner.

Reviewed in the United States on August 10, 2025
WORKS WHEN DOOR IS OPENED.
This is a replacement for older model that stopped working.
old unit would have battery die in 3 days.
This unit still shows full battery.
I am very satisfied with this replacement.
Amazon Customer
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Verified Purchase

Really Helpful

Reviewed in the United States on April 21, 2025
Super helpful to have as we have had our mailbox rifled through. Easy to install. Good to have an alert every time our mailbox is opened and notifications when the mailman stops by! Motion detection works well, it goes off anytime you open the mail door, not just when someone reaches in. Worth it if... Read more
Amazon Customer
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Verified Purchase

Let's you know when your mail comes.

Reviewed in the United States on July 21, 2025
Easy to install. We attached it to the inside at the back of the mailbox. Didn't care for the idea of putting it on the door. Attached the sensor external part to the rear of the right side on the outside of the mailbox to get a good signal to the ALEXA SPEAKER in the house, at least 50 feet away... Read more
Amazon Customer
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Verified Purchase

Not ready for prime time

Reviewed in the United States on July 30, 2025
Worked for about a month - Didn't last - loses connection on me frequently. Tried everything like moving the hub it connected to (echo) and changed batteries, reset, etc.
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1Your Ring videos in the cloud are stored temporarily, up to 180 days. Changing your video storage time will only affect videos that are recorded after you adjust your storage time setting. Check Ring Subscription Plans for more information.

2This product can’t be shipped to Pleasant Camp, British Columbia; Fort Severn, Ontario; Nain, Newfoundland and Labrador; Old Crow, Yukon; Kangiqsualujjuaq, Quebec; Ivujivik, Quebec; Bathurst Inlet, Nunavut; Sachs Harbour, Northwest Territories; Grise Fiord, Nunavut; or Alert, Nunavut.

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