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First Alert

First Alert ONELINK Battery Powered Smoke and CO Detector

  • This battery-powered combination photoelectric smoke detector and carbon monoxide detector is fit with ONELINK wireless interconnect. Wireless Interconnect allows for up to 18 ONELINK detectors to be linked wirelessly so that when one goes off, they all go off! User-friendly features include an easily accessed battery door which allows for battery changes without removing the detector from its mounting location and an end-of-life timer that signals when the detector should be replaced, low battery warning so you know when it's time to change batteries, and a mute button that instantly silences nuisance alarms.