Nest Protect, Smoke + Carbon Monoxide Alarm, Wired

Product information

Nest Protect will keep you safe without getting on your nerves. This smart smoke and carbon monoxide (CO) alarm is designed to keep you informed without immediately howling at you while you're making your dinner, so you can stay safe without getting annoyed.

Alarm updates wherever you are
Protect will also send a message to the app on your smartphone using your home Wi-Fi connection if the alarm goes off or the emergency batteries run low. It will also keep you informed of battery and sensor status before you go to bed, so you no longer have to put up with the alarm chirping throughout the night and keeping you up.

Safe for kids.
Children can sleep through alarms. So in addition to alarm sounds, Nest Protect uses Voice Alarms to wake kids up and help them avoid danger.

Easy installation
Nest Protect only takes minutes to install. Connecting to Wi-Fi and setting them up with your iPhone, iPad, or Android device also takes just a few minutes. Every Nest Protect in your home will connect to the others automatically.

Click here to learn more about Nest Protect.

System Requirements:
iPhone or iPad with iOS 5 or later
Android 2.2 or later
Free Nest Account

In the box:
Nest Protect
3 backup AA batteries
Four screws
AC 230V cable connector
Three terminal blocks
User's Guide and Welcome Guide

Please note: This alarm should not be installed in locations where the normal ambient temperature is below 4°C (40°F) or exceeds 38°C (100°F)

About Nest Wave
During internal testing, it was discovered that movements near Nest Protect could be misinterpreted by Nest as a wave (a way of silencing the alarm). As of April 3rd, 2014 Nest Wave has been disabled on all Nest products to ensure maximum safety. Nest Protect can still be silenced during a Heads-Up alert by pressing the Nest button.

3x AA (Required in case of power outage)
Batteries Included
Horn loudness
85 dB SPL at 10 feet (3 meters)
Power source
Photoelectric smoke, carbon monoxide, heat sensor, three activity sensors, ambient sensor
Speaker loudness
80 dB at 3 feet (1 meter) at 1kHz


Click & collect

Free from John Lewis or Waitrose shops for collection tomorrow from 2pm
361 participating John Lewis and Waitrose shops

Collect + from a local shop from Monday - postcode exclusions apply for Collect+ deliveries

5000+ participating Collect+ shops

Standard delivery in 5 working days


Named or Saturday UK delivery


Named day UK delivery pre-10.30am


International delivery not available

We want you to be happy with your purchase. If you're not, depending on the type of product, you can make free returns in the UK via John Lewis shops, Royal Mail, Collect+, or MyHermes. If you need to arrange collection of large or heavy items, call us on 03456 049 049. For international returns queries, call us on +44 1698 545 454. Find out more about returns.

You'll find returns information on your delivery note. Unless faulty, we'd like you to make your return within 90 days of purchase. Exceptions apply to certain products - find out more about our refund policy.


Find out more about returning products

Q & As

Rated 5 out of 5 by 4 reviewers.
Rated 5 out of 5 by Love it ! Wired in works first time ! I'm going to order another, works well with Nest thermostat also! Night light idea is great ! Would recommend ! 04 March 2015
Rated 5 out of 5 by Excellent product I now have four Nest Protects at home (3 wired, 1 battery). Not only are they safe, they look cool, give better protection than cheaper units and they talk to you! What else could you ask for! 17 February 2015
Rated 5 out of 5 by Worth every penny Best purchase for your home, very useful. Very effective 09 December 2014
Rated 5 out of 5 by Nest Protect Very neat and clever - sensor night light is great 18 November 2014
1-4 of 4
Find out more about Nest Protect
Find out more about Nest Protect

Meet Nest Protect, the smoke and carbon monoxide alarm that speaks up to tell you what the problem is and where it is.


Product code :


More than 10 in stock