First Alert Interconnect Hardwire Dual Sensor Smoke Alarm with Battery Backup, SM300-AC, 3-Pack Door Molding & Trim or industrial environments to ensure

or industrial environments to ensure proactive protection against harmful EMF/RF exposure

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Premium Materials: The bookshelf pegs are made of premium metal

First Alert Interconnect Hardwire Dual Sensor Smoke Alarm with Battery Backup, SM300-AC, 3-Pack Door Molding & Trim or industrial environments to ensureBrand: First Alert Color: White Features: First Alert's Precision Detection advanced sensing technology reduces cooking nuisance alarms and delivers early warning Dual smoke sensor technology provides optimal protection for both smoldering and fast flaming fires Interconnects with most First Alert and BRK alarms so when one sounds, all compatible alarms sound to provide an early warning Latching Alarm Indicator visually identifies the unit that