Ring Alarm Smoke & Co Listener

Key features

• With a Ring Protect subscription (sold separately), Ring Alarm Smoke and CO Listener alerts you on your smart phone when your existing smoke and carbon monoxide detectors sound their alarms.
• 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.
• Easy setup in minutes—without tools or professional installation. Requires Ring Alarm Security System (sold separately).
• With a Ring Protect subscription (sold separately), manage Ring Alarm Smoke and CO Listener and other Ring products through the Ring app.
• Battery life 3 years max. Batteries are replaceable.