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Ring - Smoke & CO Listener (Newest Model) – On Amazon Sidewalk, no base station needed, Pro Monitoring (sold separately) - White

$39.99
Ring

Ring - Smoke & CO Listener (Newest Model) – On Amazon Sidewalk, no base station needed, Pro Monitoring (sold separately) - White

SKU: 6668711
Release Date: 04/29/2026
$39.99
Sold by Best Buy
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About This Item

Detects the sound of your existing smoke and CO alarms and alerts you instantly. Ring Sensors are built to break free from traditional systems with no need for hubs or the limited reach of WiFi. On Amazon Sidewalk, these devices stay connected for reliable protection day and night.1 Add more devices anytime to expand your coverage as your home security needs grow.
  • Key Specs
    • Detector Type: Smoke, Carbon monoxide
    • Sensor Type: Not available
    • Works With: Ring (Compatible with or able to be connected to other smart devices or applications.)
    • Power Source: Battery-powered
    • Number of Devices Included: 1
  • General
    • Brand: Ring
    • Model Number: B0CL5MMTDB
    • Product Name: Smoke & CO Listener (Newest Model) – On Amazon Sidewalk, no base station needed, Pro Monitoring (sold separately)
    • Color: White
  • Detection
    • Detector Type: Smoke, Carbon monoxide
    • Sensor Type: Not available
  • Compatibility
    • Works With: Ring (Compatible with or able to be connected to other smart devices or applications.)
    • App Compatible: true (The product can be connected to a program or software application on a mobile device, which then receives collected data from the product.)
    • Operating System Compatibility: Android, Apple iOS
    • Brand Compatibility: Ring
  • Power
    • Power Source: Battery-powered
    • Battery Chemistry: Alkaline
  • Dimensions
    • Product Height: 2.85 inches (The out of box height of the item. Height is measured as the vertical distance from the bottom of the item to the top as it would be primarily used or placed.)
    • Product Width: 1.57 inches (The out of box width of the item. Width is measured as the horizontal distance from one side of the item to the other as it would be primarily used or placed.)
    • Product Depth: 2.83 inches (The out of box depth of the item. Depth is measured as the distance from the front of the item to the back as it would be primarily used or placed.)
    • Product Weight: 0.27 pounds (The out of box weight of the item.)
  • Included
    • Number of Devices Included: 1
  • Warranty
    • Warranty - Parts: 1yr limited
    • Warranty - Labor: 1yr limited
  • Other
    • UPC: 840268908874

Detects the sound of your existing smoke and CO alarms and alerts you instantly. Ring Sensors are built to break free from traditional systems with no need for hubs or the limited reach of WiFi. On Amazon Sidewalk, these devices stay connected for reliable protection day and night.1 Add more devices anytime to expand your coverage as your home security needs grow.

  • Instant Notifications: Get alerts when your existing smoke or CO alarms go off whether you’re at home, or away.
  • No Base Station Required: Simple, flexible setup. It just works.
  • Easy Installation: Mounts in minutes near existing alarms, no tools or wiring.
  • Built on Amazon Sidewalk: Taps into a neighborhood-wide network to reach every corner of your home, even when your WiFi fails.1
  • Add 24/7 Pro Monitoring with a compatible Ring subscription: Emergency response for break-ins, fires, and more, with no multi-year contracts.2
  • Instant Notifications: Get alerts when your existing smoke or CO alarms go off whether you’re at home, or away.
  • No Base Station Required: Simple, flexible setup. It just works.
  • Easy Installation: Mounts in minutes near existing alarms, no tools or wiring.
  • Built on Amazon Sidewalk: Taps into a neighborhood-wide network to reach every corner of your home, even when your WiFi fails.1
  • Add 24/7 Pro Monitoring with a compatible Ring subscription: Emergency response for break-ins, fires, and more, with no multi-year contracts.2
  • Instant Notifications: Get alerts when your existing smoke or CO alarms go off whether you’re at home, or away.
  • No Base Station Required: Simple, flexible setup. It just works.
  • Easy Installation: Mounts in minutes near existing alarms, no tools or wiring.
  • Built on Amazon Sidewalk: Taps into a neighborhood-wide network to reach every corner of your home, even when your WiFi fails.1
  • Add 24/7 Pro Monitoring with a compatible Ring subscription: Emergency response for break-ins, fires, and more, with no multi-year contracts.2
Disclaimers
  • Coverage may vary by location and is subject to change or interruption. Check approximate Amazon Sidewalk coverage in your area.
  • Compatible Ring subscription is required to enroll in Professional Monitoring. Service available in all 50 U.S. states (territories not included) and in Canada (excluding Quebec). Ring does not own its monitoring center. Smoke and carbon monoxide monitoring is not available for business or commercially zoned addresses. See Ring Alarm licenses at: ring.com/licenses. Additional fees may be required for permits, false alarms, or Alarm Verified Guard Response, depending on your local jurisdiction.
  • Compatible Ring subscription required. Available in all 50 U.S. states (territories not included) and in Canada (excluding Quebec). Ring does not own its monitoring center. Additional fees and permit requirements may apply depending on your local jurisdiction.
  • Coverage may vary by location and is subject to change or interruption. Check approximate Amazon Sidewalk coverage in your area.
  • Compatible Ring subscription is required to enroll in Professional Monitoring. Service available in all 50 U.S. states (territories not included) and in Canada (excluding Quebec). Ring does not own its monitoring center. Smoke and carbon monoxide monitoring is not available for business or commercially zoned addresses. See Ring Alarm licenses at: ring.com/licenses. Additional fees may be required for permits, false alarms, or Alarm Verified Guard Response, depending on your local jurisdiction.
  • Compatible Ring subscription required. Available in all 50 U.S. states (territories not included) and in Canada (excluding Quebec). Ring does not own its monitoring center. Additional fees and permit requirements may apply depending on your local jurisdiction.
  • Coverage may vary by location and is subject to change or interruption. Check approximate Amazon Sidewalk coverage in your area.
  • Compatible Ring subscription is required to enroll in Professional Monitoring. Service available in all 50 U.S. states (territories not included) and in Canada (excluding Quebec). Ring does not own its monitoring center. Smoke and carbon monoxide monitoring is not available for business or commercially zoned addresses. See Ring Alarm licenses at: ring.com/licenses. Additional fees may be required for permits, false alarms, or Alarm Verified Guard Response, depending on your local jurisdiction.
  • Compatible Ring subscription required. Available in all 50 U.S. states (territories not included) and in Canada (excluding Quebec). Ring does not own its monitoring center. Additional fees and permit requirements may apply depending on your local jurisdiction.
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Pros for Ring - Smoke & CO Listener (Newest Model) – On Amazon Sidewalk, no base station needed, Pro Monitoring (sold separately) - White
There were no pros for this product—Installation Ease, Connectivity, Overall Performance, Compatibility, DesignInstallation Ease, Connectivity, Overall Performance, Compatibility, Battery LifeEase of use
Cons for Ring - Smoke & CO Listener (Newest Model) – On Amazon Sidewalk, no base station needed, Pro Monitoring (sold separately) - White
There were no cons for this product—Features, Alarm Accuracy, Lighting, SensitivityFeatures, Alarm Accuracy, Night Light, SizeThere were no cons for this product—

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