BRK First Alert SM110V-AC (1048322) AC/DC Hardwired with Lithium Battery Back Up and Locked Battery Drawer Photoelectric Smoke Alarm

BRK Electronics First Alert SA500 OneLink Wireless Battery Smoke Alarm with Voice (Upgraded to SMCO500V)

BRK Electronics First Alert ZCOMBO-G Two 1.5V AA Battery Operated Photoelectric Smoke and Carbon Monoxide Combo Alarm (Upgraded to SMCO410)

BRK Electronics First Alert CO511B OneLink Wireless Battery CO Alarm with Voice (Upgraded to SMCO500V)

BRK Electronics First Alert 83RI 9V DC Battery Operated Ionization Smoke Alarm (Upgraded to SMI100)

BRK Electronics First Alert PR700AB Low Profile 9V Alkaline Battery Operated Photoelectric Smoke Alarm

BRK First Alert SM100V-AC (1046721) Interconnect Hardwire Photoelectric Smoke Alarm with Battery Backup & Voice Alert

BRK First Alert SMICO110 (1046890) 10-YR Sealed Battery Ionization Smoke & CO Alarm

BRK First Alert SMCO210 (1046802) 10-Year Battery 2-in-1 Smoke & CO Alarm with Slim Profile Design

BRK First Alert SMICO105-AC (1046884) 120V AC/DC Hardwired with Lithium Battery Back Up and Locked Battery Drawer Ionization Smoke Alarm and Carbon Monoxide Combo Alarm

BRK First Alert SMI110 (1046858) 10 Year sealed Lithium Battery Powercell Operated Ionization Smoke Alarm

BRK Electronics First Alert PR700B Low Profile 9V Carbon Zinc Battery Operated Photoelectric Smoke Alarm

BRK Electronics First Alert PRC700B Low Profile 2 AA Batteries Operated Photoelectric Smoke Alarm and Carbon Monoxide Combo Alarm (Upgraded to SMCO210)

BRK First Alert SMICO100 (1046864) Battery Operated Ionization Smoke Alarm and Carbon Monoxide Combo Alarm

BRK First Alert SMI105-AC (1046850) 120V AC/DC Hardwired with Lithium Battery Back Up and Locked Battery Drawer Ionization Smoke Alarm

BRK Electronics First Alert RM4 120V AC Hardwired Smart Relay