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Leeo Smart Alert Nightlight review: $100 is cheap if it saves your house from burning down

It plugs into an AC outlet, alerts you to smoke and carbon monoxide alarms, and contacts you via an app with a recording of the sound. A few false alarms aside, this security device is a smart buy for any home.

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    Related:
  • Smart Appliances
  • Sensors
  • Smart Home
  • Security