Universal Security Instruments Combination Smoke and Fire Alarm Detector, Battery Powered, 10 Year Sealed, Photoelectric

The Universal Security Instruments Photoelectric Smoke and Fire Alarm provides 10-years of continuous protection against deadly threats in the home. The utilization of Photoelectric Technology allows for increased efficiency in detecting slow smoldering fires. Perfect for new or replacement installations, this maintenance-free alarm is suitable for houses, apartments and mobile homes. The sealed battery (included) will never have to be replaced throughout the life of the alarm, giving you a decade's worth in peace of mind even in the event of a power outage.