Combination Smoke & Carbon Monoxide Alarms

First Alert 2-in-1 Combination Smoke & Carbon Monoxide Alarms

First Alert combination smoke and carbon monoxide (CO) alarms offer 2-in-1 protection from both types of danger with a variety of feature offerings to deliver advanced and reliable fire protection to help protect your home and family.

• Precision Detection Combination Alarms Meet New Standards

  Precision Detection advanced sensing technology meets new UL 217 8th Edition industry standards to reduce cooking nuisance alarms and detect smoke from synthetic materials to help provide an early warning.

• 10-Year Sealed Battery Combination Alarms

  10-year sealed battery alarms eliminate the need for battery replacements and late-night low battery chirps for the life of the detector.

• Hardwire Combination Alarms

  Most hardwire alarms contain a hardwire adapter plug that makes installing the combo detector easy and eliminates the need to rewire. For protection during power outages, the device offers a back-up battery feature for continuous smoke and CO detection.

• Battery-Operated Combination Alarms

  Battery-operated detectors are easy and convenient to install throughout your home for additional protection.

Browse Precision Detection 2-in-1 Combination Smoke & CO Alarms

Alarms can have a variety of different features for added safety and simpler maintenance. First Alert Precision Detection alarms are available at three different levels of protection based on the alarm features to meet your home and family’s needs:

• Standard alarms contain basic features such as easy installation.
• Superior alarms contain many safety features such as 10-year battery and voice alerts.
• Premium alarms contain the most safety features such as 10-year battery, voice alerts and wireless interconnect.