Upgrade your home's smoke alarms to First Alert 10-Year Sealed Battery Alarms for no battery replacements! They are easy to install and provide 10 years of reliable protection. | First Alert

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Carbon monoxide alarms are the only way to detect a potential CO leak in your home. First Alert offers a variety of reliable CO alarms like plug-in with battery backup, portable alarms for traveling and convenient 2-in-1 smoke & CO alarms. | First Alert

Simply install the First Alert CO615 Carbon Monoxide Alarm by plugging into any standard electrical outlet. Also equipped with battery backup for protection during power outages and a digital display for easy readings. #KnowCO | First Alert

First Alert CO710 Carbon Monoxide Detector with 10-Year Battery and Digital Temperature Display , White