BRK Electronics First Alert SA4919 120V AC/DC Hardwired with 9V Battery Backup Ionization Smoke Alarm (Upgraded to SMI100-AC)

Firex PAD Photoelectric Smoke Alarm Detector, 120V AC Direct Wire with Battery Back-up (Upgraded to P12040 + KA-F)

First Alert BRK SA4120 120V AC Hardwired Ionization Smoke Alarm (Upgraded to SMI100-AC)

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

Firex PG40 Photoelectric Smoke Alarm Detector, 120V AC Direct Wire with Battery Back-up (Upgraded to P12040 + KA-F)

Firex 4418 AC Smoke Alarm with Battery Back-up and False Alarm Control

Firex FPAD Photoelectric Smoke Alarm Detector, 120V AC Direct Wire with Battery Back-up (Upgraded to P12040 + KA-F)

BRK Eletronics First Alert CO511 OneLink Wireless Battery CO Alarm with Voice (Upgraded to SMCO500V)

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

BRK Electronics First Alert SA4919C 120V AC/DC Hardwired with 9V Battery Backup Ionization Smoke Alarm (Upgraded to SMI100-AC)

BRK Electronics First Alert SA501 OneLink Wireless Battery Smoke Alarm with Voice (Upgraded to SMCO500V)

BRK Electronics First Alert SA4121C 120V AC/DC Hardwired with 9V Battery Backup Ionization Smoke Alarm (Upgraded to SMI100-AC)

Firex FX1218 AC Smoke Alarm with Battery Back-up and False Alarm Control