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Ships within 48 hours · Estimated delivery Aug 16 - Aug 21
18 to 20 in
The alarms are equipped with an ionization sensor designed to reliably detect particles from fast-flaming fires
The USB port feature enables direct charging of portable electrical devices without the need for an adapter
Each AAA battery is made for dependable performance
Fully adjustable temperature limits
First Alert Battery-Operated Carbon Monoxide Detector Item #11778 | Model #384210 18 to 20 inThe battery powered carbon monoxide detector means your space can be monitored for dangerous carbon monoxide. Simply insert the included 9 volt battery and the carbon monoxide detector is ready to go. When CO levels become elevated, a loud 85 decibel alarm alerts you to the threat. Designed to be simple to use, the CO detector has just one button that silences or tests the unit, as well as an end of life timer that lets you know when it is time to
