Kidde Firex Smoke Detector, Hardwired with 9-Volt Battery Backup, Smoke Alarm, 6-Pack 21005927 - The Home Depot
Low voltage smoke alarms(Question in comments) : r/Construction
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Kidde Hardwire Combination Smoke Carbon Monoxide Detector Battery Backup Voice Warning Interconnectable, Electrochemical, Ionization - Walmart.com
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Kidde Firex Smoke Detector, Hardwired with nine-V Battery Backup & Front-Load Battery Door, Smoke Alarm, 4-Pack 21030967 - The Home Depot
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USI 2-in-1 Sensing Plus Hardwired Smoke and Fire Alarm w/ Battery Backup AMI1061SC
First Alert BRK AC Hardwired Combination Smoke and Carbon Monoxide Det – Kings Outdoor Lighting
Kidde Smoke Detector, Hardwired Smoke Alarm with 9-Volt Battery Backup, Test-Reset Button, Interconnect Capability - Amazon.com
System Sensor 2W-B - 2-Wire Smoke Detector - Alarm Grid
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Bundle of 3 First Alert Hardwired 120-Volt AC Smoke Alarm with Plugs, SA9120BPCN
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BRK 7010B 120 VAC Photoelectric Smoke Alarm | NorthEast Electrical
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How to Install Hardwired Smoke Detectors
FireX Kidde I4618 AC/DC - Smoke Alarm 120V Direct Wire with Battery Back-Up
Kidde Firex Hardwired Smoke Detector with Photoelectric Sensor and 9-Volt Battery Backup 21029883 - The Home Depot
Smoke & Carbon Monoxide Detectors
First Alert Brk Hardwired Ionization Sensor Smoke Detector in the Smoke Detectors department at Lowes.com
