![Sentinel 21010577 (KN-COSM-BA) Battery Operated Smoke and Carbon Monoxide Combination Detector with Voice Alarm Sentinel 21010577 (KN-COSM-BA) Battery Operated Smoke and Carbon Monoxide Combination Detector with Voice Alarm](https://dkstatic.blob.core.windows.net/images/1445007/300x300/image_2023-02-17_14-21-57.png)
Sentinel 21010577 (KN-COSM-BA) Battery Operated Smoke and Carbon Monoxide Combination Detector with Voice Alarm
![Sentinel Part # 21010576 (i9010) - Sentinel Sentinel 10 Year Worry-Free Sealed Battery Smoke Detector With Ionization Sensor - Smoke Detectors - Home Depot Pro Sentinel Part # 21010576 (i9010) - Sentinel Sentinel 10 Year Worry-Free Sealed Battery Smoke Detector With Ionization Sensor - Smoke Detectors - Home Depot Pro](https://content.interlinebrands.com/product/Image/Detail/10288/2464856_usn.jpg)
Sentinel Part # 21010576 (i9010) - Sentinel Sentinel 10 Year Worry-Free Sealed Battery Smoke Detector With Ionization Sensor - Smoke Detectors - Home Depot Pro
![Kidde Code One Smoke & Carbon Monoxide Detector, Hardwired with AA Battery Backup & Voice Alarm 21027519 - The Home Depot Kidde Code One Smoke & Carbon Monoxide Detector, Hardwired with AA Battery Backup & Voice Alarm 21027519 - The Home Depot](https://images.thdstatic.com/productImages/7daf4002-29cf-49ce-a5ce-16e7f85ab86d/svn/kidde-smoke-and-carbon-monoxide-detectors-21027519-d4_600.jpg)
Kidde Code One Smoke & Carbon Monoxide Detector, Hardwired with AA Battery Backup & Voice Alarm 21027519 - The Home Depot
![Sentinel Part # 21009475 - Sentinel Sentinel Hardwired Smoke Detector With 9-Volt Battery Backup, Adapters, Ionization Sensor And Test/Hush Button - Smoke Detectors - Home Depot Pro Sentinel Part # 21009475 - Sentinel Sentinel Hardwired Smoke Detector With 9-Volt Battery Backup, Adapters, Ionization Sensor And Test/Hush Button - Smoke Detectors - Home Depot Pro](https://content.interlinebrands.com/product/Image/Detail/10072/129417_usn.jpg)
Sentinel Part # 21009475 - Sentinel Sentinel Hardwired Smoke Detector With 9-Volt Battery Backup, Adapters, Ionization Sensor And Test/Hush Button - Smoke Detectors - Home Depot Pro
![Sentinel Part # 21010577 (KN-COSM-BA) - Sentinel Battery Operated Smoke And Carbon Monoxide Combination Detector With Voice Alarm - Combination Detectors - Home Depot Pro Sentinel Part # 21010577 (KN-COSM-BA) - Sentinel Battery Operated Smoke And Carbon Monoxide Combination Detector With Voice Alarm - Combination Detectors - Home Depot Pro](https://content.interlinebrands.com/product/Image/Detail/10304/2464857_usn.jpg)