Kidde Hardwired Smoke & Carbon Monoxide Detector, 10-Year Battery Backup, Voice Alerts, Interconnectable LED Warning Light Indicators, 4 Pack

First Alert SMICO105-AC, Interconnect Hardwire Combination Smoke & Carbon Monoxide Alarm With 10-Year Battery Backup, 3-Pack

First Alert SMCO100V-AC, Interconnect Hardwire Combination Smoke & Carbon Monoxide Alarm With Battery Backup And Voice & Location Alerts, 6-Pack

Smoke Detector And Carbon Monoxide Detector Combo With LED Indicators, 2 in 1 CO & Smoke Alarm, Battery Operated Smoke And Carbon Monoxide Detectors 3

4-Pack Smoke And Carbon Monoxide Detector, 2 in 1 CO & Smoke Alarm, Carbon Monoxide Detectors(No Battery), Digital Display, Battery-Operated Smoke

Kidde Hardwired Smoke & Carbon Monoxide Detector, 10-Year Battery Backup, Voice Alerts, Interconnectable LED Warning Light Indicators, 2 Pack

First Alert Interconnect Hardwire Dual Sensor Smoke Alarm With Battery Backup, SM300-AC, 6-Pack

FIRST ALERT BRK SC9120B-3 Hardwired Smoke And Carbon Monoxide (CO) Detector With Battery Backup, White, Pack Of 3

First Alert SM500V, Interconnect Battery-Operated Smoke Alarm With Voice Alerts, 1-Pack

Smoke Detector And Carbon Monoxide Detector Co2 Detector Battery Powered With Test/Reset Button 4 Pack

AEGISLINK Interlinked Smoke Carbon Monoxide Detector Combo, Smoke And CO Detector Battery Powered, Wireless Interconnected Smoke And CO Alarm, Digital

First Alert SMICO100-AC Interconnect Hardwire Combination Smoke & Carbon Monoxide Alarm With Battery Backup, 12-Pack

First Alert SMICO100-AC Interconnect Hardwire Combination Smoke & Carbon Monoxide Alarm With Battery Backup, 6-Pack

12 Pack Combination Smoke And Carbon Monoxide Detectors, HATHEPHS 10 Year Battery Dual Sensor Fire And CO Alarms With Large Test/Silence Button, Two

Yfwsrecinoe 6 Pack Upgraded Combination Smoke And Carbon Monoxide Alarm Detector, Dual Sensor Smoke Alarm&Carbon Monoxide Detector (Includes Battery)

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

First Alert SMICO100-AC Interconnect Hardwire Combination Smoke & Carbon Monoxide Alarm With Battery Backup - 3 Pack

Yfwsrecinoe 3 Pack Upgraded Combination Smoke And Carbon Monoxide Alarm Detector, Dual Sensor Smoke Alarm&Carbon Monoxide Detector (Includes Battery)

First Alert SMI100-AC, Hardwire Interconnect Smoke Alarm With Battery Backup, 12-Pack

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