Best First Alert Smoke Detectors

First Alert 9120LBLA Hardwire Smoke Alarm with 10 Year Battery

Kidde Smoke Detector, Hardwired with Battery Backup & Interconnect, Battery Included

FIRST ALERT Smoke and CO Alarm, SC7010BA, White

First Alert Battery Operated Wireless Interconnect Smoke and Carbon Monoxide Alarm

First Alert SC9120BA Hardwire Combination Carbon Monoxide and Smoke Alarm

First Alert PR700A Slim Series Battery Powered Photoelectric Smoke Alarm

Combination Smoke and Carbon Monoxide Detector Alarm, Beeps Warning Smoke Co Alarm Clock for Travel Home Bedroom Living Room Basement Attics Cars, Battery Operated, Comply with UL 217/UL 2034, 1 Pack

Kidde P3010CU Photoelectric Smoke & Carbon Monoxide Alarm with Voice Warning System

Carbon Monoxide Detector,CO Alarm Detector with Digital Display and Sound Alarm for Home 2pcs

X-Sense 10 Year Battery (Not Hardwired) Smoke and Carbon Monoxide Detector with Display, Dual Sensor Smoke CO Alarm Complies with UL 217 & UL 2034 Standards, SC01