Best First Alert Alarm Systems

FIRST ALERT BRK PRC710V Talking Smoke and Carbon Monoxide Alarm with Built-In 10-Year Battery , White , PRC710 Voice

First Alert CO605 Plug-In Carbon Monoxide Detector with Battery Backup , White

FIRST ALERT Dual Sensor Smoke and Fire Alarm, SA3210 , White

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

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

First Alert CO400 Carbon Monoxide (CO) Detector, Battery Operated Alarm, 1-Pack

First Alert SMI100-AC, 9120B Replacement Hardwire Interconnect Smoke Alarm with Battery Backup, 1-Pack

First Alert SMICO100, Battery-Operated Combination Smoke & Carbon Monoxide Alarm, 1-Pack

First Alert Slim Photoelectric Smoke Alarm with 10-Year Sealed Battery, PR710, White

First Alert BRK 9120Bff-6 Hardwired Smoke Detector with Battery Backup, 6-Pack