First Alert Combination Smoke & Carbon Monoxide Alarm, Interconnect Hardwire Detector With Battery Backup And Voice & Location Alerts, SMCO100V-AC, 1-

First Alert SMCO100V-AC, Interconnect Hardwire Combination Smoke & Carbon Monoxide Alarm With Battery Backup And Voice & Location Alerts, 6-Pack

First Alert SMICO105-AC, Interconnect Hardwire Combination Smoke & Carbon Monoxide Alarm With 10-Year Battery Backup, 3-Pack

BRK Electronics First Alert SA511B Onelink Wireless Battery Smoke Alarm With Voice (Upgraded To SMCO500V)

First Alert Onelink Smart Smoke Carbon Monoxide Alarm - Battery

BRK Electronics First Alert SA520 120V AC/DC Wireless Onelink Smoke Alarm Bridge Unit (Upgraded To SA520B)

Onelink Smoke Alarm, 120V AC, Hardwired, White By BRK-First Alert SA520B

First Alert Onelink 1042136 Smart Smoke/ Carbon Monoxide Alarm Hardwire Sealed

First Alert Onelink Hardwired Homekit Wi-Fi Smoke And Carbon Monoxide Alarm

BRK First Alert - SC9120B Hardwired Combination Smoke/ CO Alarm

First Alert SMI100 9V Alkaline Battery Operated Sensor Smoke Alarm 1 Pack - 5050050

FIRST ALERT First Alert Battery-Powered Photoelectric Smoke And Carbon Monoxide Detector 2 Pk, 1048447

FIRST ALERT First Alert Hard-Wired W/Battery Back-Up Ionization Smoke And Carbon Monoxide Detector 1 Each, 1046869

First Alert 1046747, Smoke Alarm With Safety Path Light, Detects Smoldering Fires, Photoelectric Sensor, Battery Operated, Sealed Lithium 10 Year

First Alert Smoke Detector 10 Year Slim Battery-Powered Photoelectric White 1046731

First Alert 10 Year With Path Light Battery-Powered Photoelectric Smoke Detector 1 Pk