Review: First Alert Battery Powered, Carbon Monoxide Alarm (CO400B)

On Sale: $19.75

The CO400B is a battery operated carbon monoxide alarm designed for portability. No installation is required and can be mounted or placed almost anywhere.

Features:

• Battery Powered Works even during Power Outages
• Integrated Test/Silence Button

Technical Specifications:

• Detector Type: Carbon Monoxide
• Sensor Type: Electrochemical
• Power Source: Battery Powered
• Temperature Range: 40°F to 100°F
• Humidity Range: 10% to 90% Relative Humidity
• Certifications: UL listed

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