First Alert Smoke and Carbon Monoxide Alarm

Install the First Alert SM210 10-year sealed battery smoke alarm and CO400 battery-operated carbon monoxide alarm safety value pack for protection against fire and carbon monoxide. The SM210 smoke alarm features First Alert precision detection advanced sensing technology and meets new industry standards to reduce cooking nuisance alarms and provide early warning in the event of a home fire emergency. The CO400 carbon monoxide alarm easily installs and provides reliable protection against dangerous carbon monoxide levels. With electrochemical and photoelectric sensor technology, this combination alarm pack delivers dependable home safety and peace of mind.