First Alert CO400A Battery Powered Carbon Monoxide Alarm
$86.66
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CO detector alerts you to carbon monoxide Battery-operated design works almost anywhere Loud 85-decibel alarm sounds when CO levels are detected Single test/silence button for simple operation The First Alert CO400A Carbon Monoxide Alarm utilizes an electrochemical carbon monoxide sensor that lasts for up to five years to detect carbon monoxide. This carbon monoxide detector is battery operated, 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-decibel alarm alerts you to the threat. Alerts You to CO Threats The First Alert battery-operated carbon monoxide alarm uses an advanced electrochemical CO sensor to detect elevated carbon monoxide levels. When CO is detected, the carbon monoxide detector sounds an alarm to warn you of the threat. Warning Features When carbon monoxide levels are detected, the carbon monoxide detector sounds an 85-decibel siren . A low-battery light and alarm alert you when battery power is running low, and an end-of-life warning lets you know when the detector should be replaced. Simple and Easy to Use The First Alert Carbon Monoxide Alarm is easy to set up. Simply insert the battery, and the CO detector will start to monitor your space for carbon monoxide. There are no complicated displays or settings to navigate, a single button silences the alarm and tests the CO detector. Model CO400A Sensor Type Electrochemical Power Source Battery Operated Product Height 5 in, 127 mm Product Length 3.4 in, 86 mm Product Width 1.5 in, 38 mm Product Weight 0.7 lb, 0.32 kg UPC Number 029054018298 Warranty 7 Years Limited Features Easy Access Battery Compartment, End-of-Life Warning Type Carbon Monoxide Alarm Professional installations gets professional results. Find an authorized professional near you to complete your installation.
CO detector alerts you to carbon monoxide
Battery-operated design works almost anywhere
Loud 85-decibel alarm sounds when CO levels are detected
Single test/silence button for simple operation
Frequently Asked Questions
We currently ship to customers throughout the United States.
Most orders are delivered within 3–7 business days. Delivery times may vary depending on your location and carrier conditions.
Once your order has shipped, you’ll receive a confirmation email with your tracking number.
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Yes. Eligible items may be returned in accordance with our Return & Refund Policy. For assistance, please contact us at [[email protected]]
Once your return is received and approved, your refund will be issued to your original payment method.
Please email us at [[email protected]] with your order number and clear photos of the item. We’ll be happy to assist you.
For any questions about your order, shipping, returns, or products, please contact us at [[email protected]]
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