Smoke & CO Listener Alarm Bundle

Know about smoke and carbon monoxide when you’re away from home with real-time alerts on your phone whenever your Ring sensor hears your smoke and CO detectors go off. Simply place Alarm Smoke and CO Listener near an existing smoke and carbon monoxide detector at home and connect it to the Alarm Base Station. The Base Station features a powerful siren and a backup battery to help keep you secure for up to 24 hours if you lose power. Easily arm and disarm your Alarm system while indoors with the Keypad.For total peace of mind, add Alarm Professional Monitoring with emergency police, fire, or medical support1 to your Ring Home Standard or Premium subscription, sold separately.