![First Alert BRK 9120B6CP Hardwired Smoke Alarm with Backup Battery, 6-Pack & BRK SC9120B Hardwired Smoke and Carbon Monoxide (CO) Detector with Battery Backup, 1 Pack - Amazon.com First Alert BRK 9120B6CP Hardwired Smoke Alarm with Backup Battery, 6-Pack & BRK SC9120B Hardwired Smoke and Carbon Monoxide (CO) Detector with Battery Backup, 1 Pack - Amazon.com](https://images-na.ssl-images-amazon.com/images/I/71bOL6iOrqL._AC_UL600_SR600,600_.jpg)
First Alert BRK 9120B6CP Hardwired Smoke Alarm with Backup Battery, 6-Pack & BRK SC9120B Hardwired Smoke and Carbon Monoxide (CO) Detector with Battery Backup, 1 Pack - Amazon.com
![BRK Electronics First Alert 9120B 120V AC/DC Hardwired with 9V Battery Backup Ionization Smoke Alarm BRK Electronics First Alert 9120B 120V AC/DC Hardwired with 9V Battery Backup Ionization Smoke Alarm](https://www.electricbargainstores.com/v/vspfiles/EBS_images/BRK/9120B-scale.jpg)
BRK Electronics First Alert 9120B 120V AC/DC Hardwired with 9V Battery Backup Ionization Smoke Alarm
![BRK Brands 120-Volt Hardwire, Ionization Sensor Smoke Alarm Detector Perfect Mount with Battery Backup 9120B - The Home Depot BRK Brands 120-Volt Hardwire, Ionization Sensor Smoke Alarm Detector Perfect Mount with Battery Backup 9120B - The Home Depot](https://images.thdstatic.com/productImages/e5976e3c-726b-4dd1-8251-9c136a6080ec/svn/brk-hardwired-smoke-detectors-9120b-66_600.jpg)
BRK Brands 120-Volt Hardwire, Ionization Sensor Smoke Alarm Detector Perfect Mount with Battery Backup 9120B - The Home Depot
![SC9120BA BRK Smoke & Carbon Monoxide Detector 120V with Battery Backup (replaces COS2010) - Aartech Canada SC9120BA BRK Smoke & Carbon Monoxide Detector 120V with Battery Backup (replaces COS2010) - Aartech Canada](https://afkctwiyrm.cloudimg.io/fit/800x800/none/https://www.aartech.ca/images/default/thumbnails/products/SC9120A2.jpg)