1-5 of 5 Answers
It will do both alarm and voice.
Sorry, there was a problem. Please try again later.Mine sounds like a typical alarm but with a distinct pitch and audible warning for specific hazard
Sorry, there was a problem. Please try again later.Both are available.
Sorry, there was a problem. Please try again later.Yes.
Sorry, there was a problem. Please try again later.If the Nest Protect goes off with a heads up alert first, then this would be an audible alert telling you that there's smoke in the room. If the smoke is thick enough to cause the smoke alarm to go off, then this would be a siren like a typical smoke alarm to alert you. More details here: https://nest.com/support/article/What-s-the-difference-between-Heads-Up-and-Emergency-Alarms
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