![Universal Security Instruments USI-1204 Hardwired Ionization Smoke and Fire Alarm with Backup Battery Universal Security Instruments USI-1204 Hardwired Ionization Smoke and Fire Alarm with Backup Battery](https://www.universalsecurity.com/images/products/USI-1204/USI-1204.jpg)
Universal Security Instruments USI-1204 Hardwired Ionization Smoke and Fire Alarm with Backup Battery
![X-Sense Hardwired Smoke Detector, Hardwired Interconnected Smoke Alarm with Battery Backup, Interconnects Up to 18 AC-Powered Alarms, XP04-S, 1-Pack - Amazon.com X-Sense Hardwired Smoke Detector, Hardwired Interconnected Smoke Alarm with Battery Backup, Interconnects Up to 18 AC-Powered Alarms, XP04-S, 1-Pack - Amazon.com](https://m.media-amazon.com/images/I/61+MOPwogIL._AC_UF1000,1000_QL80_.jpg)
X-Sense Hardwired Smoke Detector, Hardwired Interconnected Smoke Alarm with Battery Backup, Interconnects Up to 18 AC-Powered Alarms, XP04-S, 1-Pack - Amazon.com
![Smoke Detector, Hardwired Interconnected Smoke Detectors, Smoke Alarm with Replaceable 9V Battery, Interconnects Up to 12 Fire Alarms Smoke Detectors, Photoelectric Fire Alarm with Test/Silence Button - Amazon.com Smoke Detector, Hardwired Interconnected Smoke Detectors, Smoke Alarm with Replaceable 9V Battery, Interconnects Up to 12 Fire Alarms Smoke Detectors, Photoelectric Fire Alarm with Test/Silence Button - Amazon.com](https://m.media-amazon.com/images/I/71TYwLAlfeL._AC_UF894,1000_QL80_.jpg)
Smoke Detector, Hardwired Interconnected Smoke Detectors, Smoke Alarm with Replaceable 9V Battery, Interconnects Up to 12 Fire Alarms Smoke Detectors, Photoelectric Fire Alarm with Test/Silence Button - Amazon.com
![Kidde Hardwired Smoke Detector, 10-Year Battery Backup, Interconnect, Test-Silence Button - Amazon.com Kidde Hardwired Smoke Detector, 10-Year Battery Backup, Interconnect, Test-Silence Button - Amazon.com](https://m.media-amazon.com/images/I/41mubFCNxYL.jpg)
Kidde Hardwired Smoke Detector, 10-Year Battery Backup, Interconnect, Test-Silence Button - Amazon.com
First Alert Sc7010bpvcn Hardwired Smoke & Carbon Monoxide Detector With Voice Location And Battery Backup : Target
![Kidde KN-COPE-IC Firex™ Hardwired Combination Carbon Monoxide & Photoelectric Smoke Alarm 120V AC / DC | BuyRite Electric Kidde KN-COPE-IC Firex™ Hardwired Combination Carbon Monoxide & Photoelectric Smoke Alarm 120V AC / DC | BuyRite Electric](http://buyriteelectric.com/cdn/shop/products/KN-COSM-IBA_4f0d8cb7-d22a-4a47-a8cc-d0a946234b7d_grande.jpg?v=1552141873)
Kidde KN-COPE-IC Firex™ Hardwired Combination Carbon Monoxide & Photoelectric Smoke Alarm 120V AC / DC | BuyRite Electric
![Kidde Firex Smoke Detector, Hardwired with Battery Backup & Front-Load Battery Door, Smoke Alarm 21029877 - The Home Depot Kidde Firex Smoke Detector, Hardwired with Battery Backup & Front-Load Battery Door, Smoke Alarm 21029877 - The Home Depot](https://images.thdstatic.com/productImages/d7d550a0-5988-435d-8a62-382b5f3444e8/svn/kidde-hardwired-smoke-detectors-21029877-64_1000.jpg)
Kidde Firex Smoke Detector, Hardwired with Battery Backup & Front-Load Battery Door, Smoke Alarm 21029877 - The Home Depot
![First Alert Brk Hardwired Photoelectric Sensor Smoke Detector in the Smoke Detectors department at Lowes.com First Alert Brk Hardwired Photoelectric Sensor Smoke Detector in the Smoke Detectors department at Lowes.com](https://mobileimages.lowes.com/productimages/dfab4d24-54fc-4df1-9054-bbade8d3a631/00416405.jpg)