2 in. 1 Smoke and Fire Detector, 10-Year Sealed Battery Operated Dual Sensing Microprocessor Intelligence (Case of 6)

The Universal Security Instruments MI3050SB-6P 2-in-1 Smoke and Fire Smart Alarm provides 10-years of continuous protection against deadly threats in the home. New patented Universal Smoke Sensing Technology provides the benefits of both photoelectric and ionization alarms in 1 device to protect against fast flaming and 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.|Lithium-free alkaline permanent power from Duracell Duralock is safer and more eco friendly|Superior resistance to false alarms, no batteries to change, no battery chirps|Quick find alarm origination feature easily identifies originating alarm to sound in an interconnected system|10-year product end of service life warning - sounds when it is time to replace detector|10-year limited warranty|This Alarm conforms to UL 217 standards, California State Fire Marshal approved nd Federal Housing Authority (FHA) approved to exceed industry standards