Stay alert of smoke and carbon monoxide.
The Alarm Smoke and CO Listener sends you real-time mobile notifications 1 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.
- Place within 6 inches of existing smoke or CO alarms (for optimal performance, install within 3 inches). 2
- Optional 24/7 Professional Monitoring 3 with Ring Protect Pro subscription, sold separately. Smoke and carbon monoxide monitoring is not available at a business or commercially zoned address.