Alarm Smoke and CO Listener -
Alarm Smoke and CO Listener -
Alarm Smoke and CO Listener -
Alarm Smoke and CO Listener -
Alarm Smoke and CO Listener -
Alarm Smoke and CO Listener -
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Alarm Smoke and CO Listener


Take up to 12 months to pay with no interest and no late fees. Prequalify now.

Compatible Devices:

Place Alarm Smoke and CO Listeners near each of your existing smoke and carbon monoxide detectors to get alerts whenever they sound their sirens.

FREE Expedited Shipping on Orders over $49

Please note:
  • Requires Ring Alarm or Ring Alarm Pro
  • Smoke and carbon monoxide monitoring is not available at a business or commercially zoned address. Learn more here.
  • Ships to the continental US (excluding American Samoa, Guam, Northern Mariana Islands, Puerto Rico, and the U.S. Virgin Islands) and Canada.
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Stay Alert of Smoke and Carbon Monoxide

The Alarm Smoke and CO Listener sends you real-time mobile notifications alerts whenever it hears sirens from smoke or CO alarms in your home. Simply place the Listener near your existing smoke or CO alarm, connect it to your Ring Alarm Base Station and protect your home.

  • Requires the Ring Alarm Security Kit
  • Sends notifications to your phone and tablet
  • Place within 6 inches of existing smoke or CO alarms (for optimal performance, install within 3 inches)
  • Optional 24/7 Professional Monitoring (requires Ring Protect Plus Plan, sold separately)

Tech Specs

Size and Color Arrow Icon

2.95 in. Diameter; 1.06 in. Height (7.5 cm. Diameter; 2.7 cm. Height)

Available Colors


Power and Connectivity Arrow Icon

3V Lithium Battery Included, non-rechargeable

Battery Life

Max 3 Years


Z-Wave (250-foot range to Base Station)

Installation Arrow Icon
Setup Requirements

Ring Alarm Security Kit (sold separately) and an existing Smoke/CO Alarm

General Arrow Icon

1 year limited warranty

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