![First Alert BRK 3120B Hardwired Photoelectric and Ionization Smoke Alarm with Battery Backup, Dual Sensing Smoke Alarm, 1-Pack - Amazon.com First Alert BRK 3120B Hardwired Photoelectric and Ionization Smoke Alarm with Battery Backup, Dual Sensing Smoke Alarm, 1-Pack - Amazon.com](https://m.media-amazon.com/images/W/MEDIAX_792452-T1/images/I/71oXRzJAN7L._AC_UF894,1000_QL80_.jpg)
First Alert BRK 3120B Hardwired Photoelectric and Ionization Smoke Alarm with Battery Backup, Dual Sensing Smoke Alarm, 1-Pack - Amazon.com
![First Alert ZCOMBO-G (1044807) Z-Wave enabled Battery Operated Combination Photoelectric Smoke and Carbon Monoxide Alarm | Smoke Alert First Alert ZCOMBO-G (1044807) Z-Wave enabled Battery Operated Combination Photoelectric Smoke and Carbon Monoxide Alarm | Smoke Alert](https://smokealert.net/wp-content/uploads/2021/08/ZCOMBO.jpg)
First Alert ZCOMBO-G (1044807) Z-Wave enabled Battery Operated Combination Photoelectric Smoke and Carbon Monoxide Alarm | Smoke Alert
![First Alert SCO7CN Combination Smoke and Carbon Monoxide Detector with Voice and Location, Battery Operated , White - Combination Smoke Carbon Monoxide Detectors - Amazon.com First Alert SCO7CN Combination Smoke and Carbon Monoxide Detector with Voice and Location, Battery Operated , White - Combination Smoke Carbon Monoxide Detectors - Amazon.com](https://m.media-amazon.com/images/W/MEDIAX_792452-T1/images/I/71a4TxlEdSL.jpg)
First Alert SCO7CN Combination Smoke and Carbon Monoxide Detector with Voice and Location, Battery Operated , White - Combination Smoke Carbon Monoxide Detectors - Amazon.com
![BRK Electronics First Alert SA511 OneLink Wireless Battery Smoke Alarm with Voice (Upgraded to SA511B) BRK Electronics First Alert SA511 OneLink Wireless Battery Smoke Alarm with Voice (Upgraded to SA511B)](https://cdn4.volusion.store/krfyq-gnkuo/v/vspfiles/photos/First-Alert-SA511-2.jpg?v-cache=1584905683)
BRK Electronics First Alert SA511 OneLink Wireless Battery Smoke Alarm with Voice (Upgraded to SA511B)
![BRK First Alert SC9120LBL Hardwire Ionization Smoke and Carbon Monoxide Alarm with 10 Year Lithium Battery Backup | Smoke Alert BRK First Alert SC9120LBL Hardwire Ionization Smoke and Carbon Monoxide Alarm with 10 Year Lithium Battery Backup | Smoke Alert](https://smokealert.net/wp-content/uploads/2021/08/SC9120LBL.jpg)