![First Alert Battery-operated Ionization Sensor Smoke Detector in the Smoke Detectors department at Lowes.com First Alert Battery-operated Ionization Sensor Smoke Detector in the Smoke Detectors department at Lowes.com](https://mobileimages.lowes.com/productimages/3c41d8f7-9469-4809-82e5-050b0d426532/65136907.jpg)
First Alert Battery-operated Ionization Sensor Smoke Detector in the Smoke Detectors department at Lowes.com
![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)
BRK First Alert SC9120LBL Hardwire Ionization Smoke and Carbon Monoxide Alarm with 10 Year Lithium Battery Backup | Smoke Alert
![First Alert SCO2B Battery Operated Smoke & Carbon Monoxide Combo Alarm: Carbon Monoxide & Smoke Detectors (029054000897-2) First Alert SCO2B Battery Operated Smoke & Carbon Monoxide Combo Alarm: Carbon Monoxide & Smoke Detectors (029054000897-2)](https://images.cdn.hardwareandtools.net/original/029054000897.webp?v=V0oxT2R1djMyNzhQdDFoeUV3SEN0b1BIZ29vRVM5WlZYeXAvMzhBVzhxMD0~)
First Alert SCO2B Battery Operated Smoke & Carbon Monoxide Combo Alarm: Carbon Monoxide & Smoke Detectors (029054000897-2)
![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 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)