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First Alert

1039718 Carbon Monoxide Alarm, 85 dB, Alarm: Audio, Electrochemical Sensor, White

Sku: 18250532
3 Available at San Marcos
Location: Aisle 25

The First Alert CO400 carbon monoxide alarm utilizes a electrochemical carbon monoxide sensor that lasts for up to five years to detect carbon monoxide. This carbon monoxide detector is battery powered, 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 dB alarm alerts you to the threat.

  • The most accurate CO sensor available
  • Comprehensive warning features
  • Simple and easy-to-use
  • CO detector alerts you to carbon monoxide
  • Electrochemical CO sensor is most accurate technology available
  • Battery-operated design works almost anywhere
  • Loud 85 dB alarm sounds when CO levels are elevated
  • Single test/silence button for simple operation

Alarm Type
Sound Level
Sensor Type
Power Source
Power Supply
3.4 in L x 1.5 in W x 5 in H