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Kidde Firex Hardwired Smoke Detector with Photoelectric Sensor and 9-Volt Battery Backup 21029883 - The Home Depot
Smoke Alarms Photoelectric Smoke Alarm Flush Mount, 220-240 V a.c. Mains Power, w. 9 V d.c. Battery Backup - Clipsal
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Smoke Detector 4-wire with relay output DC powered Security system wired Smoke detector with relay output [FT-142] - $10.50 : China top brand burglar and fire alarm systems, New technology burglar and
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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
![Photoelectric Smoke Alarm AC power DC battery backup Wholesale retail Smoke Alarm Fire Security System [DG-321] - $9.00 : China top brand burglar and fire alarm systems, New technology burglar and fire Photoelectric Smoke Alarm AC power DC battery backup Wholesale retail Smoke Alarm Fire Security System [DG-321] - $9.00 : China top brand burglar and fire alarm systems, New technology burglar and fire](https://vedardalarm.com/images/alarm_sensor/DG321_L.jpg)
Photoelectric Smoke Alarm AC power DC battery backup Wholesale retail Smoke Alarm Fire Security System [DG-321] - $9.00 : China top brand burglar and fire alarm systems, New technology burglar and fire
Brooks > Fire Alarm Products > Smoke, CO Alarms, & Accessories > Worry-Free Alarms > 10YR-SEAL-SMK-ALM
![DC Fire and EMS on X: "A working smoke alarm alerted another sleeping resident of the home on Darrington St to the danger, allowing him to safely escape the flames. Working smoke DC Fire and EMS on X: "A working smoke alarm alerted another sleeping resident of the home on Darrington St to the danger, allowing him to safely escape the flames. Working smoke](https://pbs.twimg.com/media/EQfv3udWAAUKZUm.jpg)