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First Alert CO400-3 3-Pack Battery CO Detector

First Alert ★ 4.3/5 · ItemOracle Score Mid-Range

$60 USD
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FIRST ALERT CO400-3 Carbon Monoxide Detector, Battery Operated, White , 3-Pack -CO400-3

3-pack battery-operated carbon monoxide alarms with a loud 85-decibel alarm and electrochemical sensor. Easy installation and continuous CO monitoring even during power failures; some users note battery life concerns

Highlights

  • electrochemical sensor
  • battery operation
  • 3-pack value

Pros

  • battery-powered for continuous monitoring
  • easy to install
  • electrochemical CO sensor
  • 85-decibel alarm for dangerous levels
  • 3-pack provides multiple detectors

Cons

  • battery life varies with use
  • some reports of limited longevity

Best For

  • basement safety
  • bedroom safety
  • kitchen safety
  • rented home safety
  • multi-room protection
  • office safety

Features

  • 3-pack, battery-operated carbon monoxide alarms for continuous monitoring during power failures
  • Equipped with an advanced electrochemical CO sensor for accurate detection
  • Loud 85-decibel alarm sounds when CO levels are dangerous
  • Placement guidance: install on each level and in each bedroom for full coverage
  • UL-tested First Alert CO alarms meet standard safety requirements; compact dimensions 3.4 x 1.5 x 5 inches

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