BRK 10-year Battery-Powered Photoelectric Smoke and Carbon Monoxide Detector 6 pk

The First Alert SMCO210 10-Year Sealed Battery Combination Smoke & Carbon Monoxide Alarm with Slim Profile Design uses First Alert's Precision Detection advanced sensing technology and meets new industry standards. Also equipped with a 10-year sealed battery to eliminate the need for battery replacements and low battery chirps. BRK'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.