Ring Alarm Smoke and CO Listener 2-Pack

Key features

• 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 and is intended to work with UL listed smoke and CO detectors that are 10 years old or less.
• Easy setup in minutes—without tools or professional installation. Requires Ring Alarm Security System (sold separately).
• Manage Ring Alarm Smoke and CO Listener and other Ring products with the Ring app.
• Battery life 3 years max. Batteries are replaceable.
• Optional 24/7 professional monitoring is just $10/month. No contracts or cancellation fees.