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Keep your family safe with this easy to use, battery operated carbon monoxide alarm Battery powered alarms provide continuous monitoring of CO levels, even if theres a power failureFeatures an advanced electrochemical carbon monoxide sensor that accurately detects carbon monoxide levels, no matter where the detector is placed in the room.The alarm sequence should last 56 seconds. If it does not alarm, make sure fresh batteries are correctly installed, and test it again. If the unit still does not alarm, replace it immediatelyA loud 85 decibel alarm sounds when CO levels reach dangerous , Battery Replaceable YesTo ensure complete protection make sure to place one on each level of your home and in each bedroom5year limited warranty Equipped with end of life signal chirp, so you know when its time to replace the unit for safetyAll first alert CO alarms are rigorously tested to meet UL standardsFirst 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 MORE DETAILS alarm Audible asin B000N8OYXI bestsellersrank 131 in Tools Home Improvement See Top 100 in Tools Home Improvement 3 in Carbon Monoxide Detectors brand First Alert builtinmedia Alarm Mounting Bracket User Manual 9V Battery color White customerreviews 4.6 4.6 out of 5 stars 22,081 4.6 out of 5 stars enclosurematerial Multi globaltradeidentificationnumber 00029054000699 itemdimensionsdxwxh 1D x 5W x 3H itemhighlight CO400 itemtypename First Alert CO400FF Battery Powered Carbon Monoxide Alarm itemweight 11.2 ounces manufacturer First Alert manufacturercontactinformation 1 800 3239005. manufacturerwarrantydescription 5 Year Limited Warranty mfrpartnumber CO400 modelnumber CO400 numberofitems 1 operatinghumidity 1095 RH powersource Battery Powered productstyle Battery Powered sensortype Electrochemical unitcount 1 Count upc 029054000699
