![First Alert BRK SC-9120B Hardwired Smoke and Carbon Monoxide Alarm with Battery Backup : Amazon.co.uk: DIY & Tools First Alert BRK SC-9120B Hardwired Smoke and Carbon Monoxide Alarm with Battery Backup : Amazon.co.uk: DIY & Tools](https://m.media-amazon.com/images/I/61qI7MQLwqL._AC_UF894,1000_QL80_.jpg)
First Alert BRK SC-9120B Hardwired Smoke and Carbon Monoxide Alarm with Battery Backup : Amazon.co.uk: DIY & Tools
![First Alert Brk Battery-operated Carbon Monoxide Detector with Voice Alert in the Carbon Monoxide Detectors department at Lowes.com First Alert Brk Battery-operated Carbon Monoxide Detector with Voice Alert in the Carbon Monoxide Detectors department at Lowes.com](https://mobileimages.lowes.com/productimages/3389f567-df26-40fc-aa2a-e51f53b255cc/40947526.jpg?size=pdhism)
First Alert Brk Battery-operated Carbon Monoxide Detector with Voice Alert in the Carbon Monoxide Detectors department at Lowes.com
![First Alert BRK 10-Year Battery Hardwired Photoelectric Sensor Smoke Detector in White | 1043637 - Yahoo Shopping First Alert BRK 10-Year Battery Hardwired Photoelectric Sensor Smoke Detector in White | 1043637 - Yahoo Shopping](https://s.yimg.com/lo/api/res/1.2/weMHv0IPf92NOGDVyHFWGg--/YXBwaWQ9ZWNfaG9yaXpvbnRhbDtoPTQwMDtzcz0xO3c9NDAw/https://mobileimages.lowes.com/productimages/aa8ac6d0-f9fc-49c2-86f0-4a41d268091d/11228633.jpg)
First Alert BRK 10-Year Battery Hardwired Photoelectric Sensor Smoke Detector in White | 1043637 - Yahoo Shopping
![Brk Brands/First Alert Part # 1039760 - Brk Brands/First Alert Plug-In Carbon Monoxide Detector With Battery Backup And Digital Display - Co Detectors - Home Depot Pro Brk Brands/First Alert Part # 1039760 - Brk Brands/First Alert Plug-In Carbon Monoxide Detector With Battery Backup And Digital Display - Co Detectors - Home Depot Pro](https://content.interlinebrands.com/product/Image/Detail/10158/313465984_usn.jpg)
Brk Brands/First Alert Part # 1039760 - Brk Brands/First Alert Plug-In Carbon Monoxide Detector With Battery Backup And Digital Display - Co Detectors - Home Depot Pro
![First Alert Brk 6-Pack Hardwired Combination Smoke and Carbon Monoxide Detector in the Combination Smoke & Carbon Monoxide Detectors department at Lowes.com First Alert Brk 6-Pack Hardwired Combination Smoke and Carbon Monoxide Detector in the Combination Smoke & Carbon Monoxide Detectors department at Lowes.com](https://mobileimages.lowes.com/productimages/6bef1463-7097-48b1-90e4-91f055ae231c/11204188.jpg?size=pdhism)
First Alert Brk 6-Pack Hardwired Combination Smoke and Carbon Monoxide Detector in the Combination Smoke & Carbon Monoxide Detectors department at Lowes.com
![First Alert 7010B Hardwired Photoelectic Smoke Alarm With Battery Backup: Fire & Smoke Alarms & Accessories (029054112019-1) First Alert 7010B Hardwired Photoelectic Smoke Alarm With Battery Backup: Fire & Smoke Alarms & Accessories (029054112019-1)](https://images.cdn.hardwareandtools.net/560x560/029054112019.webp?=MTdMSWNTWHFDSllyc3IwM0NXWURkaFQ4ZGZFU1R3SFdnL3NrZGRpblgwaz0~)
First Alert 7010B Hardwired Photoelectic Smoke Alarm With Battery Backup: Fire & Smoke Alarms & Accessories (029054112019-1)
![First Alert BRK SC-9120B Hardwired Smoke and Carbon Monoxide Alarm with Battery Backup : Amazon.co.uk: DIY & Tools First Alert BRK SC-9120B Hardwired Smoke and Carbon Monoxide Alarm with Battery Backup : Amazon.co.uk: DIY & Tools](https://m.media-amazon.com/images/I/61Uj5QfdU-L.jpg)
First Alert BRK SC-9120B Hardwired Smoke and Carbon Monoxide Alarm with Battery Backup : Amazon.co.uk: DIY & Tools
![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/2f380b60-b239-490b-9645-67dcf7c3a1c4/svn/brk-hardwired-smoke-detectors-9120b-64_1000.jpg)