Be alerted to the type of danger and its location in your home with First alert's SMCO210V 10-Year Sealed Battery Combination Smoke and Carbon Monoxide Alarm with Voice and Location alerts. This 2-in-1 alarm provides convenient protection against both CO and fire threats and meets new industry standards.

• First alert's Precision Detection advanced sensing technology complies with new industry standards to reduce cooking nuisance alarms and provides early warning in the event of a home fire emergency
• Voice & location alerts tell you what the danger is and its location to help you escape safely
• Provides reliable 2-in-1 protection against both smoke and carbon monoxide in an easy-to-install alarm
• 10-Year sealed battery eliminates battery replacements and low battery chirps for the life of the alarm
• Slim profile design is half the depth of a standard alarm
• End-of-life warning lets you know when it's time to replace the detector
• Test/silence button for efficient testing to ensure alarm is working properly