Universal Security Instruments USI/CO/PLUG Plug-In Carbon Monoxide Detector with 1-Year Replaceable Battery, Digital Display

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About This Product

The USI Carbon Monoxide Alarm provides dependable protection against the invisible danger of carbon monoxide gas. Featuring a clear LCD display, it allows for easy monitoring of CO levels at a glance. A loud audible alarm sounds when dangerous concentrations are detected, while a tricolor indicator clearly displays the alarm’s operating status. This plug-in model includes two replaceable AA backup batteries to ensure continuous operation during power outages. A convenient test/silence button allows for quick maintenance and easy operation. Ideal for installation on every level of your home—including bedrooms, living areas, hallways, and kitchens—this alarm delivers early detection to help keep your household safe. Compliant with UL Standard 2034 4th Edition, it meets the industry’s highest standards for carbon monoxide detection.

Highlights

• Clear LCD display for real-time monitoring of CO levels 

• Loud alarm alerts occupants to dangerous carbon monoxide concentrations 

• Tricolor indicator provides quick visual status updates (green, yellow, or red) 

• Battery backup ensures continuous protection during power failures 

• Simple test/silence button with 10-hour low-battery muting 

• Detects CO gas early to help prevent serious health risks 

• Built with advanced sensing technology for reliable performance 

• Meets UL Standard 2034 4th Edition for carbon monoxide detection 

Dimensions

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