First Alert 1039718/CO400 Battery Powered Carbon Monoxide Alarm

Key Features

• The most accurate CO sensor available
• Comprehensive warning features
• Simple and easy-to-use
• CO detector alerts you to carbon monoxide
• Electrochemical CO sensor is most accurate technology available
• Battery-operated design works almost anywhere
• Loud 85 dB alarm sounds when CO levels are elevated
• Single test/silence button for simple operation

Carbon monoxide detectors - battery powered - electrochemical sensor - 9 volt battery included. Works during power outages. No installation required. Place or mount almost anywhere. Mute/test button to quiet unnecessary alarms, test alarm function. 85-decibel alarm, low battery warning. Low battery mute quiets low battery signal for up to 8 hours. Front-open compartment allows battery change without taking alarm down. Electrochemical sensor is the most accurate technology available for detecting carbon monoxide. End of life timer alarm chirps when it is time to replace the alarm. Meets ul2034 standard.

The First Alert CO400 carbon monoxide alarm utilizes a electrochemical carbon monoxide sensor that lasts for up to five years to detect carbon monoxide. This carbon monoxide detector is battery powered, making it portable and easy-to-use anywhere, even in the event of a power outage. When carbon monoxide levels become elevated, a loud 85 dB alarm alerts you to the threat. Works during power outages. No installation required. Place or mount almost anywhere. Mute/test button to quiet unnecessary alarms, test alarm function. 85-decibel alarm, low battery warning. Low battery mute quiets low battery signal for up to 8 hours. F ront-open compartment allows battery change without taking alarm down. Electrochemical sensor is the most accurate technology available for detecting carbon monoxide. End of life timer alarm chirps when it is time to replace the alarm. Meets UL2034 standa rd. Uses 9 volt battery, included.