First Alert Precision Detection, 2 pack Smoke and Carbon Monoxide Alarm

First Alert 10-Year Battery Smoke and Carbon Monoxide Alarm, 2 PACK Features: First Alert's Precision Detection Advanced Sensing Technology Voice & Location Alerts for Danger and Helps Escape Safely Provides Reliable 2-in-1 Protection Against Both Smoke and Carbon Monoxide Slim Profile Design is Half The Depth of a Standard Alarm 10-Year Sealed Battery, End-Of-Life Warnings to Replacement First Alert's Precision Detection advanced sensing technology complies with new industry smoke alarm standards to reduce cooking nuisance alarms and provide 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. Be alerted to the type of danger, smoke or CO, and its location in your home with First Alert's new Precision Detection 10-Year Sealed Battery Combination Smoke & Carbon Monoxide Alarm with Voice & Location Alerts. This 2-in-1 alarm provides convenient protection against both threats