ABOUT SAFE and SOUND: First Alert introduces Onelink Safe and Sound, an Alexa enabled, Apple HomeKit compatible hardwired photoelectric smoke and electrochemical carbon monoxide alarm, featuring a state of the art, omni directional speaker backed by First Alert's unparalleled reliability and equipped with the power of Alexa First Alert began in 1958, when three friends set out to create a commercial smoke alarm. In the six decades since, we have continued to create innovative products, from the first residential smoke alarm to the first battery operated carbon monoxide alarm.
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The First Alert CO410 is part of the Smoke & Carbon Monoxide Detectors test program at Consumer Reports. In our lab tests, Smoke & Carbon Monoxide Detectors models like the CO410 are rated on ... A working Carbon Monoxide Alarm will sound when the gas reaches an elevated level, alerting you and your family to the danger. The First Alert® brand team offers a wide range of Carbon Monoxide Alarms to protect what matters most.
The interconnect wire in the alarm should not be grounded. If this happens, you may need to reach out to an electrician for assistance. 3 chirps: Possible malfunction. Contact First Alert Support for troubleshooting assistance. 5 chirps: End of Life Warning. This means the alarm has reached the end of its life. Combination Smoke and Carbon Monoxide Detectors. Help protect your home and family with combination smoke and carbon monoxide detectors. First Alert offers homeowners a variety of combination smoke and carbon monoxide (CO) alarms that provide 2-in-1 protection against both smoke and CO. Combination Carbon Monoxide and Smoke Alarm . First Alert offers two-in-one protection with a selection of detectors that alert you to carbon monoxide and smoke. These alarms are equipped with both an electrochemical sensor for accurate detection of CO, and either a photoelectric or ionization sensor for detection of smoke and fire.