Onelink by FIRST ALERT Smoke Detector and Carbon Monoxide Detector | Hardwired | First Alert Price: $81.98 (as of 27/10/2021 11:31 PST- Details)

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SMOKE + CO DETECTION 2-in-1 smart smoke and carbon monoxide alarm alerts you to both types of danger in your home, with a photoelectric smoke sensor and electrochemical carbon monoxide sensor
MOBILE + VOICE ALERTS Alarm sends emergency notifications, via your phone, while voice alerts tell you the type and location of danger