Best Firex Hardwired Smoke Detectors

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

Combination Smoke and Carbon Monoxide Detector Alarm, 2-Pack Beeps Warning Smoke and CO Alarms for Basements Travel Home Office House Bedroom Living Room Car, Battery Operated, Comply with UL 217/2034

First Alert PR700A Slim Series Battery Powered Photoelectric Smoke Alarm

FIRST ALERT Smoke and CO Alarm, SC7010BA, White

Kidde I12040CA 120V AC (Hardwired) Ionization Smoke Alarm with 9V Battery Backup and Hush Button, White

First Alert 9120BA Hardwire Smoke Alarm w/ 9V Battery, Smoke Detector

Kidde 900-0263CO-CA Plug-in Carbon Monoxide Alarm (KN-COB-DP2CA), White, 1 Units

First Alert SC9120BA Hardwire Combination Carbon Monoxide and Smoke Alarm

First Alert Hardwired Wireless Interconnect Smoke Alarm

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