First Alert Battery-Powered Z-Wave Smoke Detector & Carbon Monoxide Alarm, Works with Ring, Single Pack, White

• First Alert’s Precision Detection advanced sensing technology complies with the latest industry standards to reduce cooking nuisance alarms and provides early warning in the event of a home fire emergency. Provides reliable 2-in-1 detection against both smoke and carbon monoxide.
• Z-Wave Plus Certified
• Works with Ring to provide notifications while away in the event of a fire or CO emergency. Ring Alarm or Ring Alarm Pro Security Kit with Alarm Smoke and CO Listener required.
• 10-Year sealed battery eliminates battery replacements and low battery chirps
• End-of-life warning lets you know when it¡¯s time to replace the alarm. Test/silence button for efficient testing to ensure alarm is working properly.