The Alarm Smoke and CO Listener sends you real-time mobile notifications1 whenever it hears sirens
from the nearby existing smoke or CO alarms in your home.
Requires the Ring Alarm or Ring Alarm Pro Security Kit.
Sends notifications to your phone and tablet, subscription required, sold separately.
Optional 24/7 Professional Monitoring3 with Ring Protect Pro subscription, sold separately.
Smoke and carbon monoxide monitoring is not available at a business or commercially zoned
address.
Requires Ring Alarm or Alarm Pro (sold separately) and an existing Smoke/CO Alarm. This device
does not detect fire, smoke or carbon monoxide. For best performance, use with detectors that
are 10 years old or less and comply with all applicable standards.