First Alert SM300-AC, Interconnect Hardwire Dual Sensor Smoke Alarm with Battery Backup, 1-Pack

First Alert SM300-AC Interconnect Hardwire Dual Sensor Smoke Alarm with Battery Backup, 1-Pack

First Alert SM300-AC hardwired smoke alarm with dual sensor technology and interconnect capability. Features battery backup to maintain operation during power outages.

• Hardwired installation with battery backup
• Dual sensor smoke detection
• Interconnect compatible
• Single pack

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