Kidde Hardwired Smoke & Carbon Monoxide Detector, 10-Year Battery Backup, Voice Alerts, Interconnectable LED Warning Light Indicators, 4 Pack

System Sensor 2W-B i3 Series 2-Wire, Photoelectric i3 Smoke Detector

First Alert SM210, 10-Year Sealed Battery Smoke Alarm With Slim Profile Design, 1-Pack

First Alert BRK Smoke Alarm Hardwired 120V With 10 Year Sealed Lithium Battery Backup 9120LBL

System Sensor Duct Smoke Detector: 120V AC/24V AC/DC Volt, Sound Alert, Duct Mount, 5 in Overall Ht Model: D4120

System Sensor 4WT-B Smoke Alarm, Hardwired

Simplisafe - Smoke & Carbon Monoxide Detector - White

System Sensor 2W-B Photoelectric i3 Smoke Detector, 2-Wire

BRK SC9120B Hardwired 120V Smoke/CO Combo 9V Battery Alarm NEW

BRK SMICO100-AC, Smoke/CO Alarm, Hardwire, Battery Backup NEW

System Sensor D4120 Photoelectric, Universal, Smoke Detector

First Alert Sealed 10-Year-Battery 2-In-1 Smoke And Co Alarm With Slim Profile, 6-3/4"L X 8-1/2"W X 1-1/2"H, White

Kidde Combo Carbon Monoxide/Smoke Alarm - 85 Db - Audible, Visual - Surface Mount, Wall Mountable, Ceiling Mountable - Red, Green, Amber - White

First Alert Interconnect Battery-Operated 2-In-1 Smoke And Co Alarm With Voice And Location Alerts, 6-3/4"L X 8-1/2"W X 3-1/2"H, White

X-Sense Smart Smoke Detector With Voice Alerts And 17 Locations, Wi-Fi Smoke Alarm With Sbs50 Base Station, Test From App, Wireless Interconnected Fir

X-Sense Smart Smoke Detector Carbon Monoxide Detector Combo With No Fee App Notification, Replaceable Battery Powered Smoke Detector And Carbon Monoxi

Ionization Smoke Detector, 120V AC, 9V Batt By BRK-First Alert 9120B

Reliable Hardwired Smoke Alarm With Photoelectric & Ionization Sensors - 1-Pack

First Alert Alarm Smoke DC10 SM210CO400: 10-Year Smoke & Carbon Monoxide Detector, Battery Operated, White, 2-Pack

System Sensor Smoke Detector 1551B 500 Series Ionization Smoke Alarm NEW Sealed