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First Alert Hard-Wired Photoelectric Smoke & Carbon Monoxide Alarm in Gray | 5.1 H x 5.1 W x 2.4 D in | Wayfair SC7010BV

The First Alert Hard-Wired Photoelectric Smoke and Carbon Monoxide Alarm detects both carbon monoxide and smoke all in a single device. The 120-volt CO smoke alarm features a photoelectric smoke sensor and an electrochemical carbon monoxide sensor for... more

First Alert Hardwired Smoke Alarm w/ Battery Backup in Gray | 2.25 H x 5.69 W x 5.69 D in | Wayfair 9120B

Features:Smoke alarmSingle button for testing and silencingSmoke detection technologiesLatching alarm indicator, identifies which unit initiated an alarmPerfect mount allows for easy installationMeets new construction requirementsThis will work with... more

First Alert Smoke & Carbon Monoxide Alarm in Black/Gray | 5.6 H x 5.6 W x 1.75 D in | Wayfair SC9120B

First Alert BRK SC9120B Hardwired Smoke Detector and Carbon Monoxide (CO) Detector with Battery BackupFeatures:Keep your family safe with this hardwired smoke and carbon monoxide alarm; the battery backup means constant monitoring, even if there's a... more

First Alert Smoke Alarm w/ Photoelectric Sensor & Battery Backup in Gray | 2.38 H x 5.13 W x 5.13 D in | Wayfair 7010B

Features:Includes 9 volt batterySmoke alarmPhotoelectric sensor and battery backupConvenient silence / test buttonDust cover85 Decibel alarmAlarm indicator identifies which unit triggered alarmInter-connectable with BRK and hardwired smoke and carbon... more

First Alert AC Powered Carbon Monoxide Alarm in Black | 5.53 W x 5.72 D in | Wayfair CO5120BN

Features:Carbon monoxide alarmCan be interconnected with up to 11 additional smoke or carbon monoxide alarmsIdeal for bedroom, hall, or basementIntelligent sensor reduces nuisance alarmsTin oxide sensor permanently stores highest c/o... more

First Alert 3-in-1 Explosive Gas & Carbon Monoxide Alarm in Gray | 5.8 H x 7.25 W x 2 D in | Wayfair GC01CN

The 3-in-1 Explosive Gas & Carbon Monoxide Alarm from First Alert(R) warns against natural/methane, propane and carbon monoxide. The digital display makes for easy reading during an alarm or when any button is pressed. The alarm plugs into any standard... more