dual sensor smoke alarm

First Alert Alarm Combo DC RFID SMCO500V Clam Tray: Smoke & Carbon Monoxide Detector, Battery Included, 10-Year Warranty

Kidde AA Battery Powered Smoke and Carbon Monoxide Detector 30CUDR

First Alert Alarm Smoke DC10 with LGT SM210L Clam Tray: 10 Year Warranty, Lithium Battery, No Hardwired Install Needed

First Alert SMICO100-AC Interconnect Hardwire Combination Smoke & Carbon Monoxide Alarm with Battery Backup

First Alert 9120B-AC BRK, Hardwire Interconnect Smoke Alarm with Battery Backup

First Alert Precision Detection Interconnect Hardwired Smoke Alarm with 10-Year Battery Backup

Kidde Hardwired Smoke and Carbon Monoxide Detector with AA Battery Back-Up 30CUAR

First Alert 9120B Smoke Detector, Hardwired Alarm with Battery Backup, 3-Pack

First Alert SMI100-AC, Hardwire Interconnect Smoke Alarm with Battery Backup

First Alert BRK SC-9120B Hardwired Smoke and Carbon Monoxide (CO) Detector with Battery Backup

Kidde Hardwired Smoke and Carbon Monoxide Detector with 10-Year Battery Back-up 30CUA10

Kidde 10-Year Battery Powered Smoke and Carbon Monoxide Detector 30CUD10

Kidde 10-Year Battery Powered Smoke and Carbon Monoxide Detector with Voice Alerts 30CUD10-V

First Alert SM100V-AC, Interconnect Hardwire Smoke Alarm with Battery Backup & Voice Alerts, 1-Pack

Firstalert SMI100 Battery-Operated Smoke Alarm, Ionization

First Alert Hard-Wired w/Battery Back-Up Photoelectric Smoke and Carbon Monoxide Detector 1 each

First Alert® SMI110 Sealed 10-Year-Battery Smoke Alarm

First Alert SMI100-AC, Hardwire Interconnect Smoke Alarm with Battery Backup

First Alert Smoke Alarm, Interconnect Hardwire Detector with Battery Backup, SMI100-AC, 3-Pack

First Alert Battery Smoke Alarm SMI100 2 Pack

BRK SMI105-AC Hard-Wired w/Battery Back-up Ionization Smoke Detector 6 pk

First Alert® SMCO200V Battery-Operated 2-in-1 Smoke and CO Alarm with Voice and Location Alerts

First Alert SC5 Hardwire Smart Smoke & Carbon Monoxide Alarm, SMCO600NV-AC, 1-Pack, Hardwired

BRK Battery-Powered Photoelectric Smoke Detector 6 pk