First Alert Electrochemical/Ionization Smoke and Carbon Monoxide Detector

The First Alert Hardwired Combination Smoke and Carbon Monoxide Alarm detects both carbon monoxide and smoke in a single device. It is designed for hardwired installation but features a 10-year battery backup that allows the unit to function in the event of a power outage. The CO smoke detector can be connected to other compatible BRK or First Alert CO smoke detectors within a single-family residence. A single button silences or tests the unit.Keep your family safer with this hardwired smoke and carbon monoxide alarm; the 10-year battery backup means constant monitoring for the life of the alarm even if there's a power failureFeatures an electrochemical carbon monoxide sensing technology as well as intelligent smoke sensing technology to reduce nuisance alarms.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 upon detectionSimple to use, with a single test/silence button; included 10-year lithium battery features a locked drawer to prevent tamperingAdapter plugs are included to save you the hassle of rewiring and to simplify installationSmoke and CO alarms should be placed on every level and in every bedroom of the home *Tested to meet UL standards *10-Year limited warranty *