First Alert Sa320cn Dual Sensor Smoke Alarm

The First Alert Dual Sensor Smoke Alarm provides long-lasting protection for your household. It utilizes ionization and photoelectric smoke sensors to determine the difference between non-threating conditions and real emergencies, reducing false alarms from shower steam or cooking smoke. It features a single-button silence/test to mute unwanted alarms. In addition, this compact smoke alarm is easy to install and maintain.