BRK Electronics First Alert 5919 120V AC Hardwired Photoelectric Smoke Alarm (Upgraded to SM100V-AC)

BRK Electronics First Alert 9120LB 120V AC/DC Hardwired with 9V Lithium Battery Backup Ionization Smoke Alarm (Upgraded to SMI105-AC)

BRK Electronics First Alert CO5120B 120V AC/DC Hardwired with 9V Battery Backup Electrochemical Carbon Monoxide Alarm (Upgraded to CO5120BN)

BRK Electronics First Alert 7010LBL 120V AC/DC Hardwired with Lithium Battery Back Up and Locked Battery Drawer Photoelectric Smoke Alarm (Upgraded to SM110V-AC)

BRK Electronics First Alert Low Profile PR710B 10 Year Sealed Lithium Power Battery Operated Photoelectric Smoke Alarm

BRK First Alert SM110LED-AC (1046726) Hardwired Smoke Alarm with LED Strobe & 10-Year Battery Backup

BRK Electronics First Alert SA86B 120V AC/DC Hardwired with 9V Battery Backup Ionization Smoke Alarm (Upgraded to SMI100-AC)

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

BRK Electronics First Alert SCO5B 2 AA Batteries Operated Photoelectric Smoke Alarm and Carbon Monoxide Combo Alarm (Upgraded to SMCO210)

BRK First Alert SMCO110LED-AC (1046789) Hardwired Combo Smoke & CO Alarm with LED Strobe &10-Yr Battery Backup

BRK Electronics First Alert SCO500 OneLink Wireless Battery Smoke/CO Combo Alarm with Voice (Upgraded to SMCO500V)

First Alert BRK SA4919B 120V AC Hardwired Ionization Smoke Alarm (Upgraded to SMI100-AC)

BRK Electronics First Alert CO600B 120V AC Plug-in Electrochemical Carbon Monoxide (CO) Alarm

First Alert BRK SA4120B 120V AC/DC Hardwired with 9V Battery Backup Ionization Smoke Alarm (Upgraded to SMI100-AC)

BRK First Alert SM500V (1046774) Interconnect Battery-Operated Smoke Alarm with Voice Alerts (Upgraded to SMCO500V)

BRK Electronics First Alert CO605B 120V AC/DC Plug-in with 2 AA Batteries Backup Electrochemical Carbon Monoxide (CO) Alarm