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Combo Smoke & Carbon Monoxide Alarms

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First Alert Hardwire Combination Smoke/Carbon Monoxide Alarm with Battery Backup - SC9120B
Combo Wired In Smoke & CO Detector
Your Price: $44.99     Save: $15.00
Availability: In Stock

First Alert Battery Operated Combination Smoke and Carbon Monoxide Alarm - SCO5CN
Combo Battery Smoke & CO Detector
Your Price: $34.99     Save: $25.00
Availability: In Stock

First Alert 10-Year Sealed Battery Combo Photoelectric Smoke & Carbon Monoxide Alarm with Slim Design - PRC710
Combo 10 Year Battery Smoke & CO Detector
Your Price: $44.99     Save: $11.00
Availability: In Stock

First Alert Onelink Hardwired Wi-Fi Smoke & Carbon Monoxide Alarm with Battery Backup, HomeKit-enabled - AC10-500 (1036469)
The world's first HomeKit-enabled Wi-Fi Smoke and CO Alarm
Your Price: $119.95     Save: $40.00
Availability: In Stock

First Alert Onelink Wi-Fi Smoke & Carbon Monoxide Alarm with 10-Year Sealed Battery, HomeKit-enabled - DC10-500 (1038486)
Wi-Fi and Bluetooth Wireless Interconnect Alarm
Your Price: $109.95     Save: $40.00
Availability: In Stock

First Alert BRK Brands Hardwired Combo Smoke & Carbon Monoxide Alarm with 10-Year Sealed Battery Backup - SC9120LBL
Combo Wired In Smoke & CO Battery Detector
Your Price: $54.95     Save: $5.04
Availability: In Stock

First Alert Hardwire Photoelectric Smoke and Carbon Monoxide Alarm with Voice & Location Feature - SC7010BV
Combo Wired In Smoke & CO Battery Voice Detector
Your Price: $56.99     Save: $8.00
Availability: In Stock

First Alert Hardwired Photoelectric Smoke and Carbon Monoxide Alarm with Battery Backup - SC7010B
Combo Wired In Smoke & CO Battery Detector
Your Price: $49.99     Save: $5.00
Availability: In Stock

First Alert Combination Explosive Gas and Carbon Monoxide Alarm with Backlit Digital Display - GCO1CN
Plug-In Carbon Monoxide & Gas Detector
Your Price: $52.99     Save: $27.00
Availability: In Stock

First Alert Wireless Interconnect Talking Battery Operated Smoke & Carbon Monoxide Alarm - SCO501CN-3ST
Combo Battery Smoke & CO Voice Detector
Your Price: $69.99     Save: $30.00
Availability: In Stock

First Alert Compact 10 Year Combo Photoelectric Smoke & Carbon Monoxide Alarm with Voice & Location Feature - PRC710V
Combo 10 year Battery Smoke & CO Voice Detector
Your Price: $59.95     Save: $10.00
Availability: In Stock

First Alert Battery Operated Talking Combination Smoke and Carbon Monoxide Alarm - SCO7CN
Combo Battery Smoke & CO Battery Detector
Your Price: $42.99     Save: $27.00
Availability: In Stock

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First Alert Combination Smoke and Carbon Monoxide Alarms represent the gold standard for homeowners searching to protect their surroundings from the undetected presence of smoke and carbon monoxide. The availability of combo smoke and carbon monoxide alarms that implement ionization and photoelectric sensors ensures reliable whole home protection. First Alert Combination Alarms are available in a variety of models that include:

  • First Alert Battery-Operated Combination Alarms forgo the traditional hardwired setup and are ready for immediate installation.
  • First Alert 10-Year Battery Combination Alarms provide a decade's worth of wireless smoke and carbon monoxide protection.
  • First Alert Hardwired Combination Alarms wire directly into a home's electrical system. All hardwired combination alarms include a battery backup for increased protection.
  • First Alert Combination Plug-In Alarms can easily be installed via an electrical outlet. This selection of combo alarms also includes a battery backup.
 
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