Best Carbon Monoxide Alarms

FIRST ALERT Carbon Monoxide Detector, No Outlet Required, Battery Operated, 2-Pack, CO400

  • Keep your family safe with this 2-pack of easy to use, battery operated carbon monoxide alarms.
  • Battery powered alarms provide continuous monitoring of CO levels, even if there's a power failure.
  • Features an advanced electrochemical carbon monoxide sensor that accurately detects carbon monoxide levels, no matter where the detector is placed in the room.
  • A loud 85-decibel alarm sounds when CO levels reach dangerous levels.
  • To ensure complete protection make sure to place one on each level of your home and in each bedroom.
  • Equipped with end-of-life signal chirp, so you know when it’s time to replace the unit for safety.
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First Alert Smoke Detector and Carbon Monoxide Detector Alarm | Z-Wave

  • Help keep your family safe with this battery-operated smoke and carbon monoxide combination alarm. This easy-to-install smoke and carbon monoxide combination alarm connects with other Z-Wave compatible alarms and a Z-Wave hub (sold separately).
  • Integrated wireless alarm system is Iris compatible to send you mobile alerts and emails, so you’re aware of dangers after the alarm is activated, whether you’re home or away.
  • Alarm features photoelectric smoke-sensing technology optimized to detect larger smoke particles produced by smoldering fires, and an electrochemical carbon monoxide sensor.
  • Certified for use with Nexia Home Intelligence, Ring Home Security System, and other third party Z-Wave systems.
  • Includes test/silence button, side-access battery door, plus a tamper-resistant battery drawer and pins that lock the alarm to the mounting bracket.
  • Certified for use with Nexia Home Intelligence or other Z-Wave systems.
  • Combination Smoke and Carbon Monoxide protection that alerts you whether you are home or away.
  • Photoelectric smoke sensor helps reduce false alarms such as from cooking or shower steam.
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First Alert BRK SC9120B-12 Hardwired Smoke and Carbon Monoxide CO Detector with Battery Backup 12-Pack

  • Keep your family safe with this 12 pack of hardwired smoke and carbon monoxide alarms.
  • the battery backup means constant monitoring, even if there's a....
  • Features an electrochemical Carbon Monoxide sensing technology as well as an ionization sensor that detects the fine particles of a fast burning fire.
  • Indicator lights on the face of the unit display the presence of smoke or carbon monoxide, while an 85 decibel siren provides a clear, loud warning....
  • Can connect to other compatible BRK or First Alert detectors, to ensure all alarms will sound when a threat is detected.
  • Simple to use, with a single test/silence button, and side load battery compartment.
  • tamper resistant locking brackets and universal mounting brackets....
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FIRST ALERT Plug-In Carbon Monoxide Detector with Battery Backup, 3-Pack, CO605

  • Keep your family safe from carbon monoxide in multiple rooms with this convenient plug in carbon monoxide alarm 3 pack.
  • The alarms work with any standard outlet and also have a battery backup for continuous monitoring of CO levels, even if there's a power failure.
  • Features an advanced electrochemical carbon monoxide sensor that accurately detects carbon monoxide levels, no matter where the detector is placed in the room.
  • Simple to use, with a single test/silence button.
  • A loud 85 decibel alarm sounds when Carbon Monoxide levels reach dangerous levels.
  • To ensure complete protection make sure to place 1 on each level of your home and in each bedroom.
  • Equipped with end of life signal chirp, so you know when it’s time to replace the unit for safety.
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First Alert BRK SC9120B-6 Hardwired Smoke and Carbon Monoxide Detector CO with Battery Backup 6-Pack White

  • Keep your family safe with this 6-pack of hardwired smoke and carbon monoxide alarms.
  • The battery backup means constant monitoring, even if there's a....
  • Features an electrochemical Carbon Monoxide sensing technology as well as an ionization sensor that detects the fine particles of a fast-burning fire.
  • Indicator lights on the face of the unit display the presence of smoke or carbon monoxide, while an 85-decibel siren provides a clear, loud warning....
  • Can connect to other compatible BRK or First Alert detectors, to ensure all alarms will sound when threat is detected.
  • Simple to use, with a single test/silence button, and side-load battery compartment.
  • tamper-resistant locking brackets and universal mounting brackets....
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Smoke and Carbon Monoxide Detector Combo with Sound Warning and Number Display Battery Powered

  • Combination Smoke Detector and Carbon Monoxide Detector Can Detect the threat of these Two Gases..
  • ared Photoelectric Sensor Detects Smoke, Smoke Detector While Minimizing false alarms..
  • Carbon Monoxide Detector alarm Using High accurate Electrochemical Sensor, alerts you to Carbon Monoxide Danger. insurance Safety of your life..
  • The Battery - powered Smoke CO Detector Can be installed Quickly and Easily. You Can Hear the low power alarm When the Power is Close to Run out, and....
  • Suitable for all the Place Possible to Produce Carbon Monoxide , Such as your Home Kitchen, Bedroom, Bathroom, Hotel. Also Useful When you are....
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First Alert BRK CO511 Carbon Monoxide CO Detector Wireless Interconnected with Voice and Location

  • Battery-operated carbon monoxide alarm can be installed easily.
  • Connects multiple alarms together for wireless safety network.
  • Voice alarm gives clear indication of where the problem is located.
  • Electrochemical CO sensor detects elevated carbon monoxide levels.Single button silences a false alarm and tests the carbon monoxide alarm.
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First Alert CO615 Plug-in Alarm with Battery Backup and Digital Display (1 Pack), White

  • Keep your family safe with this digital display, plug in carbon monoxide alarm.
  • It works with any standard outlet and also has a battery backup for continuous monitoring of Carbon Monoxide levels, even if there's a power failure.
  • Features an advanced electrochemical carbon monoxide sensor.
  • Peak level feature displays the highest concentration of carbon monoxide measured.
  • A loud 85 decibel alarm sounds when Carbon Monoxide levels reach dangerous levels.
  • To ensure complete protection make sure to place one on each level of your home and in each bedroom.
  • Equipped with end of life signal chirp, so you know when it’s time to replace the unit for safety.
  • All first alert CO alarms are rigorously tested to meet UL standards.
  • First Alert has been the most trusted brand in home safety since launching the first residential smoke alarm in 1958 (Based on a First Alert Brand Trust Survey in February 2018).
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First Alert Wireless Interconnected Photoelectric Smoke and Carbon Monoxide Combo Alarm with Voice and Location, SCO500B-3

  • Smoke detector carbon monoxide detector combo - sounds loud 85 decibel alarm with voice alerts that announce "Fire! Fire!" or "Warning! Carbon Monoxide!".
  • Hardwired with backup battery - combo smoke and carbon monoxide detector is hardwired into a 120V power source with 9V battery backup.
  • Easy installation - battery door is on the front for quick replacement.
  • Photoelectric smoke detector senses visible fire particles and electrochemical CO detector provides accurate readings.
  • Will interconnect with up to 24 other devices including smoke, CO and heat alarms.
  • Package contains six smoke and carbon monoxide detector combo units.
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