![First Alert CO605 Plug-In Carbon Monoxide Detector with Battery Backup , White - Combination Smoke Carbon Monoxide Detectors - Amazon.com First Alert CO605 Plug-In Carbon Monoxide Detector with Battery Backup , White - Combination Smoke Carbon Monoxide Detectors - Amazon.com](https://images-na.ssl-images-amazon.com/images/I/51RBX7hitxL._AC_UL210_SR210,210_.jpg)
First Alert CO605 Plug-In Carbon Monoxide Detector with Battery Backup , White - Combination Smoke Carbon Monoxide Detectors - Amazon.com
![First Alert 0827B Ionization Smoke Alarm with 10-Year Sealed Tamper-Proof Battery , White - Amazon.com First Alert 0827B Ionization Smoke Alarm with 10-Year Sealed Tamper-Proof Battery , White - Amazon.com](https://m.media-amazon.com/images/I/51bGhGtztHL._AC_UF350,350_QL80_.jpg)
First Alert 0827B Ionization Smoke Alarm with 10-Year Sealed Tamper-Proof Battery , White - Amazon.com
First Alert Smoke Alarm, Photoelectric Sensor, 85 dB @ 10 ft Audible Alert, (2) AA Batteries SA511B | Zoro
![First Alert 10-Year Battery-operated Ionization Sensor Smoke Detector in the Smoke Detectors department at Lowes.com First Alert 10-Year Battery-operated Ionization Sensor Smoke Detector in the Smoke Detectors department at Lowes.com](https://mobileimages.lowes.com/productimages/65d36a53-0da5-4613-9dc3-152224389f33/49175986.jpg?size=pdhism)
First Alert 10-Year Battery-operated Ionization Sensor Smoke Detector in the Smoke Detectors department at Lowes.com
![First Alert Battery Powered Z-Wave Smoke Detector & Carbon Monoxide Alarm, Works with Ring Alarm Base Station, 2nd Generation - Amazon.com First Alert Battery Powered Z-Wave Smoke Detector & Carbon Monoxide Alarm, Works with Ring Alarm Base Station, 2nd Generation - Amazon.com](https://images-na.ssl-images-amazon.com/images/I/51K3GFIsb8L._AC_UL600_SR600,600_.jpg)
First Alert Battery Powered Z-Wave Smoke Detector & Carbon Monoxide Alarm, Works with Ring Alarm Base Station, 2nd Generation - Amazon.com
![First Alert 0827B Ionization Smoke Alarm with 10-Year Sealed Tamper-Proof Battery , White - Amazon.com First Alert 0827B Ionization Smoke Alarm with 10-Year Sealed Tamper-Proof Battery , White - Amazon.com](https://m.media-amazon.com/images/I/61XcWXuGmUL._AC_UF350,350_QL80_.jpg)
First Alert 0827B Ionization Smoke Alarm with 10-Year Sealed Tamper-Proof Battery , White - Amazon.com
![FIRST ALERT BRK 9120LBL Hardwired Smoke Detector with Adapter Plugs for Easy Replacement , White - Amazon.com FIRST ALERT BRK 9120LBL Hardwired Smoke Detector with Adapter Plugs for Easy Replacement , White - Amazon.com](https://m.media-amazon.com/images/I/71rFKNVkJbL._AC_UF894,1000_QL80_.jpg)
FIRST ALERT BRK 9120LBL Hardwired Smoke Detector with Adapter Plugs for Easy Replacement , White - Amazon.com
![First Alert Brk 10-Year Battery 12-Pack Battery-operated Ionization Sensor Smoke Detector in the Smoke Detectors department at Lowes.com First Alert Brk 10-Year Battery 12-Pack Battery-operated Ionization Sensor Smoke Detector in the Smoke Detectors department at Lowes.com](https://mobileimages.lowes.com/productimages/3bad02f2-2e4f-4122-879b-03921d80dbdf/11982881.jpg?size=pdhism)
First Alert Brk 10-Year Battery 12-Pack Battery-operated Ionization Sensor Smoke Detector in the Smoke Detectors department at Lowes.com
![First Alert 0827B Ionization Smoke Alarm with 10-Year Battery - electronics - by owner - sale - craigslist First Alert 0827B Ionization Smoke Alarm with 10-Year Battery - electronics - by owner - sale - craigslist](https://images.craigslist.org/00m0m_3Vy2Cw7Jt80_0CF0t2_600x450.jpg)
First Alert 0827B Ionization Smoke Alarm with 10-Year Battery - electronics - by owner - sale - craigslist
![FIRST ALERT BRK 9120LBL Hardwired Smoke Detector with Adapter Plugs for Easy Replacement , White - Amazon.com FIRST ALERT BRK 9120LBL Hardwired Smoke Detector with Adapter Plugs for Easy Replacement , White - Amazon.com](https://m.media-amazon.com/images/I/61cbwQRHEeL._AC_UF350,350_QL80_.jpg)