The First Alert CO600 plug-in carbon monoxide alarm utilizes an electrochemical carbon monoxide sensor that lasts for up to five years to detect carbon monoxide. This carbon monoxide detector plugs into any wall outlet. When carbon monoxide levels become elevated, a loud 85 dB alarm alerts you to the threat.

• Advanced electrochemical CO sensor
• Comprehensive warning features
• Simple and easy-to-use
• Plug and protect, alarm plugs into any standard 120 VAC outlet with no additional mounting
• Mute button, mutes unnecessary alarms, tests alarm function with same button
• Electrochemical sensor, most accurate technology available for detecting carbon monoxide, compared to other common sensing technologies
• End of life timer, alarm chirps when it is time to replace it
• Carbon monoxide alarms should be replaced every 5 years for maximum protection
• Emits T3 pattern