FIRST ALERT SC9120B Corded Electric Combination Alarm with A

Convenient adapter plugs makes it easy to replace existing hardwired alarms without needing to rewireKeep your family safe with this hardwired First Alert smoke and carbon monoxide alarm with a 10year battery backup, which means constant monitoring for the life of the alarm, even if theres a power failureCombination smoke alarm and carbon monoxide detector features electrochemical carbon monoxide sensing technology, as well as intelligent smoke sensing technology to reduce nuisance alarmsIndicator lights on the face of the unit display the presence of smoke or carbon monoxide, while an 85decibel siren provides a clear, loud warning upon detectionSimple to use, with a single testsilence button includes 10year lithium battery with a locked drawer to prevent tampering10year limited warranty equipped with endoflife signal, so you know when its time to replace the unit for your safetyRigorously tested to meet UL standardsTo ensure complete protection make sure to place one carbon monoxide detector on each level of your home and in each bedroom MORE DETAILS alarm Audible asin B07G95Z38H bestsellersrank 2,390 in Tools Home Improvement See Top 100 in Tools Home Improvement 12 in Smoke Carbon Monoxide Alarms brand First Alert builtinmedia Alarm, Battery color white customerreviews 4.5 4.5 out of 5 stars 885 4.5 out of 5 stars enclosurematerial Plastic globaltradeidentificationnumber 00029054018786 itemdimensionsdxwxh 0.07D x 0.22W x 0.22H itemtypename Combination Alarm itemweight 10.08 ounces manufacturer First Alert manufacturerwarrantydescription Warranty mfrpartnumber 1039807 modelnumber SC9120B numberofitems 1 operatinghumidity 1095 RH powersource Corded Electric productstyle Hardwired sensortype Electrochemical upc 029054018786