BRK Electronics First Alert SA511 OneLink Wireless Battery Smoke Alarm with Voice (Upgraded to SM500V)

BRK Electronics First Alert SA511B OneLink Wireless Battery Smoke Alarm with Voice (Upgraded to SM500V)

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

BRK Electronics First Alert SA520B 120V AC/DC Wireless OneLink Smoke Alarm Bridge Unit

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

BRK Electronics First Alert SA86C 120V AC/DC Hardwired with 9V Battery Backup Ionization Smoke Alarm (Upgraded to SMI100-AC)

BRK Electronics First Alert SC6120B 120V AC/DC Hardwired with 9V Battery Backup Ionization Smoke Alarm and Carbon Monoxide Combo Alarm (Upgraded to SMICO100-AC)

BRK Electronics First Alert SC7010B 120V AC/DC Hardwired with 2 AA Batteries Backup Photoelectric Smoke Alarm and Carbon Monoxide Combo Alarm (Upgraded to SMCO100V-AC)

BRK Electronics First Alert SC7010BV 120V AC/DC Hardwired with 2 AA Batteries Backup Photoelectric Smoke Alarm and Carbon Monoxide Combo Alarm with Voice (Upgraded to SMCO100V-AC)

BRK Electronics First Alert SC9120B 120V AC/DC Hardwired with 9V Battery Backup Ionization Smoke Alarm and Carbon Monoxide Combo Alarm (Upgraded to SMICO100-AC)

BRK Electronics First Alert SC9120LBL 120V AC/DC Hardwired with Lithium Battery Back Up and Locked Battery Drawer Ionization Smoke Alarm and Carbon Monoxide Combo Alarm (Upgraded to SMICO105-AC)

BRK Electronics First Alert SCO2B 9V Alkaline Battery Operated Ionization Smoke Alarm and Carbon Monoxide Combo Alarm (Upgraded to SMICO100)

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

BRK Electronics First Alert SCO500B OneLink Wireless Battery Smoke/CO Combo Alarm with Voice (Upgraded to SMCO500V)

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

BRK Electronics First Alert SL177 120V AC Hardwired Hearing Impaired Smart Strobe (Upgraded to BRK-SLED177)