Nest Protect Smoke and CO alarm (2nd Generation)

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The smart smoke and carbon monoxide detector that thinks, speaks, and alerts your phone. Nest Protect looks for fast-burning fires, smoldering fires and carbon monoxide.

Get alerts on your phone
Nest Protect can send you a message when there's a problem or the batteries are running low.

Every second counts
The Split-Spectrum Sensor detects both fast and slow burning fires.

Tells you what and where
Nest Protect speaks up if there’s smoke or CO and tells you where it is, so you know what to do.

Sees the CO you can’t
Carbon monoxide is an invisible, poisonous gas. Nest Protect tells you where it’s hiding.

Silence with an app, not a broom
Hush alarms with your phone. If everything’s under control and there’s only a little smoke, quiet down the alarm from the Nest app.

Sleep safe and sound
With a quick green glow, Nest Protect gives you a Nightly Promise that says everything’s working well.

10-year life span
Nest Protect’s long-lasting sensors keep you safe and sound for up to a decade.

If the product develops a technical fault after 30 days following delivery your product comes with a two-year manufacturer’s warranty* so you may be entitled to a repair or replacement. Contact Google directly for further details on the terms of the warranty.
*At the discretion of, and subject to change by, the manufacturer.
Split-Spectrum Sensor, 10 year electrochemical carbon monoxide sensor, Heat sensor, ± 1 ºC, Humidity sensor, ± 3% RH, Occupancy sensor, 120º field of view to 6 m , Ambient light sensor, Omnidirectional microphone (for Sound Check only)
Connectivity requirements:
Wi-Fi connection, Nest app on mobile or tablet with iOS or Android, Free Nest account
Nest Protect complies with the following smoke and carbon monoxide alarm standards in Europe: EN-14604, EN-50291, EN-50271:2010 and EN-50292.
In the box - Wired:
Nest Protect (wired), Backup batteries, Back plate, Four screws, User guide, 230 V connector, Three terminal blocks
In the box - Battery:
Nest Protect (battery), Batteries, Back plate, Four screws, User guide, Welcome Guide
Product weight:
Google Nest Protect Battery: 379g. Google Nest Protect Wired: 374 g
Product dimensions:
13.5cm H x 13.5cm W x 3.9cm D
Manufacturer part number (Wired):
Manufacturer part number (Battery):

1 Review Hide Reviews Show Reviews

  • 5
    Smart thermostat- great product

    Posted by Zoe Enstone on 16th Nov 2020

    I'm away from home quite a lot and this product is fantastic for giving me peace of mind that my home is safe. I can check the status each evening on my mobile via the app. and even do a remote test. I wouldn't be without it now! Fast delivery and great service from Shell. too- top marks!

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