![Sentinel Part # 21009474 (i9040) - Sentinel Battery Operated Smoke Detector With Ionization Sensor - Smoke Detectors - Home Depot Pro Sentinel Part # 21009474 (i9040) - Sentinel Battery Operated Smoke Detector With Ionization Sensor - Smoke Detectors - Home Depot Pro](https://content.interlinebrands.com/product/Image/Detail/10304/129416_usn.jpg)
Sentinel Part # 21009474 (i9040) - Sentinel Battery Operated Smoke Detector With Ionization Sensor - Smoke Detectors - Home Depot Pro
![Kidde i9040 Fire Sentry Battery-Operated Ionization Sensor Compact Smoke Detector Alarm, White, Pro : Amazon.co.uk: DIY & Tools Kidde i9040 Fire Sentry Battery-Operated Ionization Sensor Compact Smoke Detector Alarm, White, Pro : Amazon.co.uk: DIY & Tools](https://m.media-amazon.com/images/I/61pLrgxbrPL.jpg)
Kidde i9040 Fire Sentry Battery-Operated Ionization Sensor Compact Smoke Detector Alarm, White, Pro : Amazon.co.uk: DIY & Tools
![Kidde Code One Smoke Detector, Battery Powered with Ionization Sensor, Smoke Alarm 21008051 - The Home Depot Kidde Code One Smoke Detector, Battery Powered with Ionization Sensor, Smoke Alarm 21008051 - The Home Depot](https://images.thdstatic.com/productImages/b9e90227-aa41-4c0a-9e6e-25f88571c52d/svn/kidde-battery-smoke-detectors-21008051-64_1000.jpg)
Kidde Code One Smoke Detector, Battery Powered with Ionization Sensor, Smoke Alarm 21008051 - The Home Depot
![Kidde Fire Sentry Smoke Detector, 9V Battery Powered Smoke Alarm, 4 Inch Compact Design & Smoke Detector, Battery Powered with Test Button - Amazon.com Kidde Fire Sentry Smoke Detector, 9V Battery Powered Smoke Alarm, 4 Inch Compact Design & Smoke Detector, Battery Powered with Test Button - Amazon.com](https://m.media-amazon.com/images/I/413iZeykD+L._AC_UF894,1000_QL80_.jpg)
Kidde Fire Sentry Smoke Detector, 9V Battery Powered Smoke Alarm, 4 Inch Compact Design & Smoke Detector, Battery Powered with Test Button - Amazon.com
![Kidde Fire Sentry Battery Operated 4-inch Smoke Detector, with 85 decibel alarm, 2 pack - Walmart.com Kidde Fire Sentry Battery Operated 4-inch Smoke Detector, with 85 decibel alarm, 2 pack - Walmart.com](https://i5.walmartimages.com/seo/Kidde-Fire-Sentry-Battery-Operated-4-inch-Smoke-Detector-with-85-decibel-alarm-2-pack_42e7f474-cdf6-4708-8061-a93c1c34712f.dc62c72130eee754e689d75eee2528e9.jpeg)