First Alert SMCO210, 10-Year Sealed Battery Combination Smoke & Carbon Monoxide Alarm with Slim Profile Design, 1-Pack

First Alert SMICO100-AC Interconnect Hardwire Combination Smoke & Carbon Monoxide Alarm with Battery Backup, 1-Pack

Kidde Smoke & Carbon Monoxide Detector, 10-Year Battery Powered, LED Warning Light Indicators

X-Sense 10-Year Battery Combination Smoke Carbon Monoxide Alarm Detector with Large LCD Display (Standalone Model)

Kidde Carbon Monoxide Detector, Plug In Wall with 9-Volt Battery Backup, Digital LED Display

Kidde Hardwired Smoke & Carbon Monoxide Detector, AA Battery Backup Smoke Alarm, Interconnectable, LED Warning Light Indicators, 2 Pack

X-Sense Smoke Detector Carbon Monoxide Detector Combo, 10-Year Battery Smoke Detector with Display, Standalone Model SC01, Single Pack

Kidde Smoke & Carbon Monoxide Detector, 10-Year Battery, Voice Alerts , 1 Count ( Pack of 1)

FIRST ALERT SC9120B Corded Electric Combination Alarm with Adapter Plugs for Easy Replacement

4-Pack,Smoke and Carbon Monoxide Detector,2 in 1 CO & Smoke Alarm,Carbon Monoxide Detectors,Smoke Detector,85dB in Alarm,LCD Screen,Wireless,Easy to Install