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First Alert BRK 7010B Hardwired Smoke Detector with Photoelectric Sensor and Battery Backup , White - Smoke Detectors - Amazon.com
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Kidde Firex Smoke Detector, Hardwired with Battery Backup & Front-Load Battery Door, Smoke Alarm 21029877 - The Home Depot
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Kidde Firex Smoke Detector, Hardwired with Battery Backup & Front-Load Battery Door, Smoke Alarm 21029877 - The Home Depot
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SITERWELL Smoke Detector, Hardwired Photoelectric Smoke Alarm with DC 9V Backup Battery & Interconnected, Fire Alarm with Silence Button, GS517, 6 Packs - Amazon.com
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X-Sense Smart Smoke Detector Fire Alarm with Replaceable Battery, Wi-Fi Smoke Detector, App Notifications with Optional 24/7 Professional Monitoring Service, XS01-WX, 1-Pack - Amazon.com
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