Ring Alarm Smoke & CO Listener
An add-on sensor for a Ring Alarm system that listens for the siren of a smoke or CO alarm you already have and sends a phone notification. It is not a smoke or CO alarm itself.
Alarm spec sheet
| Type | listener |
|---|---|
| Power | 3V lithium battery (included, non-rechargeable) |
| App | Yes |
Listed features
- Adds phone notifications to existing alarms
- Z-Wave connection to the Ring base station (250 ft range per Ring)
- Battery included
Worth checking
- Does not detect smoke or CO itself
- Needs a Ring Alarm or Alarm Pro kit
- Battery life listed as max 3 years
Where to buy the Alarm Smoke & CO Listener
Prices and availability change. We may earn a commission from some links.
- Check for recalls: Search the agency's recall list with the model number and date code from the label: CPSC recall search.
- Use and supervision: follow the maker's warnings on the product, and see CPSC's Safe Nursery guide. Check the label and the maker's instructions, and ask your pediatrician about your child.
Full specs
| Ring Alarm Smoke & CO Listener | |
|---|---|
| Type | Smoke or CO alarm |
| Alarm | listener |
| Power | 3V lithium battery (included, non-rechargeable) |
| Maker's warnings | the device does not detect fire, smoke or carbon monoxide. It hears the sirens of existing smoke or CO alarms. Requires the Ring Alarm or Alarm Pro kit (sold separately). Ring advises placing it within 6 inches of existing alarms. |
Compare the Alarm Smoke & CO Listener with
How each closest rival differs from the Alarm Smoke & CO Listener, from the makers' specs.
- First AlertSMCO210 / SMCO210V ComboCompare side by side
- First AlertSMCO500V ComboCompare side by side
- First AlertSM210 / SM210V / SM210L 10-Year Smoke10-yearCompare side by side
- First AlertSMCO100 / SMCO200V Combo10-yearCompare side by side
Alarm Smoke & CO Listener: questions answered
From Ring's published specs, last checked 2026-11-11.
Where should the Ring Alarm Smoke & CO Listener go?
Use and supervision: follow the maker's warnings on the product, and see the AAP's safety and prevention pages. Check the label and the maker's instructions, and ask your pediatrician about your child.
Still wondering? Write to us at hello@cribpicks.com and we'll look it up.
More smoke and CO alarms
- First AlertSMICO100-AC Hardwired Combo
- First AlertSMI100-AC Hardwired Smoke
- First AlertSC5 Smart Smoke & CO
- Kidde30CUD10 / 30CUD10-V 10-Year Combo10-year
- Kidde30CUDR Combo
- Kidde30CUAR / 30CUA10 Hardwired Combo10-year
Where these specs come from
Last checked 2026-11-11. Spot something wrong? Tell us. Read our editorial and safety policy and corrections.