$102.99

Keep your home and loved ones safe from the silent danger of carbon monoxide with the First Alert™ Carbon Monoxide Sensor with Battery Backup. This sensor utilizes an electrochemical carbon monoxide sensor to detect even the slightest trace of this deadly gas. Whether you prefer a battery-operated or plug-in option, this sensor has you covered with its versatile design. The 120V plug-in version features a silence/test button and a low battery warning to ensure continuous protection. Plus, with 2 "AA" batteries included, you'll have everything you need to get started right away. Rest easy knowing that this sensor comes with a 7-year limited warranty, providing you with long-lasting peace of mind.

Key Features:
• Electrochemical carbon monoxide sensor for accurate detection
• Battery operated or plug-in (120V) options for convenience
• Silence/test button for easy operation
• Low battery warning to ensure continuous protection
• Includes 2 "AA" batteries for immediate use
• 7-year limited warranty for long-lasting peace of mind