Nest Protect Wired PRO Model, 2nd Generation (
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Detects levels of smoke and carbon monoxide within your home and tests itself automatically.
Alarm speaks to you with a human voice and tells you the location and levels of smoke or carbon monoxide when they are present.
Provides battery and sensor status notifications so you're always informed, and safety history so you can see what happened over the last 10 days. You can even silence the alarm from your smartphone.
Wired directly to your electrical system, with backup battery to ensure operation during a power outage.
If a cooking mishap leads to a small amount of smoke, Nest Protect will let you know without setting off the full alarm.
Synchronized sensors ensure that when 1 alarm senses danger, every alarm in the house will make you aware of the situation.
If carbon monoxide is present, Nest Protect links with your Nest Thermostat (sold separately) to automatically turn off your gas furnace.
Pathlight illuminates your way in the dark. Adjust its brightness, leave it on as a nightlight or turn it off from the Nest Protect app.