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

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

BRK Electronics First Alert SA511B OneLink Wireless Battery Smoke Alarm with Voice (Upgraded to SMCO500V)

BRK First Alert SMCO500V (1046815) Interconnect Battery-Operated Smoke & CO Alarm with Voice

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

BRK First Alert SMCO410 (1048325) Z-WAVE Plus Smart Smoke & CO Alarm works with Ring

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