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40 Posted 14 January 2023
Google Nest Protect, Smoke + Carbon Monoxide Alarm, (Wired or Battery) with 2 years guarantee and Free delivery @ John Lewis & Partners


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Battery Version
Google Nest Protect, Smoke + Carbon Monoxide Alarm, (Wired or Battery) with 2 years guarantee @ John Lewis & Partners
Top features:
- Reactive monitoring helps to keep your home safe
- Smartphone alerts let you know what's going on
- No more annoying alarms
Reactive monitoring
Your safety matters. That's why the Nest Protect Second Generation Wireless Smoke & Carbon Monoxide Alarm is the first smoke alarm that can detect any type of fire.
The Split-Spectrum Sensor inside the alarm analyses two different light wavelengths to recognise both slow- and fast-burning fires.
This smoke and CO2 alarm tests itself constantly, so you won't need to worry. You can see it's working at a glance – it provides a green glow when all of your Nest Protect alarms have tested themselves.
Smartphone alerts
You should always be in the know, so the Nest Protect has a Heads-Up early warning function. It sends you a message in the app if it detects smoke, or if carbon monoxide levels are rising, so you can take action.
The alarm has yellow lighting when it detects danger, and speaks with a human voice to let you know what's going on. If you have more than one Nest Protect, they will all speak at once.
No more annoying alarms
Fed up with steam in the kitchen setting off your smoke detector? The Nest Protect Alarm knows the difference between steam and an emergency situation, so you can expect fewer false alarms.
If you've burnt the toast and set off the alarm, you can use the app to silence the alarm – there'll be no more wafting a tea towel at your smoke detector.
Google Nest Protect, Smoke + Carbon Monoxide Alarm, (Wired or Battery) with 2 years guarantee @ John Lewis & Partners
Top features:
- Reactive monitoring helps to keep your home safe
- Smartphone alerts let you know what's going on
- No more annoying alarms
Reactive monitoring
Your safety matters. That's why the Nest Protect Second Generation Wireless Smoke & Carbon Monoxide Alarm is the first smoke alarm that can detect any type of fire.
The Split-Spectrum Sensor inside the alarm analyses two different light wavelengths to recognise both slow- and fast-burning fires.
This smoke and CO2 alarm tests itself constantly, so you won't need to worry. You can see it's working at a glance – it provides a green glow when all of your Nest Protect alarms have tested themselves.
Smartphone alerts
You should always be in the know, so the Nest Protect has a Heads-Up early warning function. It sends you a message in the app if it detects smoke, or if carbon monoxide levels are rising, so you can take action.
The alarm has yellow lighting when it detects danger, and speaks with a human voice to let you know what's going on. If you have more than one Nest Protect, they will all speak at once.
No more annoying alarms
Fed up with steam in the kitchen setting off your smoke detector? The Nest Protect Alarm knows the difference between steam and an emergency situation, so you can expect fewer false alarms.
If you've burnt the toast and set off the alarm, you can use the app to silence the alarm – there'll be no more wafting a tea towel at your smoke detector.

Community Updates
Edited by Smash77, 15 January 2023
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40 Comments
sorted byAnd it self tests itself and alerts you to any issues.
My favourite feature though is probably the night light.
But as standalone devices great idea being linked and alert on phone
Heat added for that alone (edited)
I hope this is a typo and they aren’t actually detecting carbon dioxide by mistake lol
Hopefully then add a second the next time they’re reduced in price.
Running hot water in the sink in my ensuite sets it off and it's two rooms away or boiling water in the kitchen, running a bath... They're a nightmare.
There is an option called Steam Check which is supposed to minimise false alarms, but doesn't seem to do anything.
Pros:
The easiest thing I’ve ever installed, and I’m useless at DIY. Literally just took my old smoke alarm plate off, replaced it with this one, screwed in 4 screws and clicked the Nest into position.
Setup in the Nest app was straightforward, no complaints there, but…
Cons:
You can’t add it to Google Home! I have every other smart device I own in there - Hive, Govee, TP Link, but I can’t add something that Google themselves produce. Very odd.
Manufacture date was Aug 2022, so hoping I get 9 years and 7 months monitoring out of it. Also looks a lot more swish than my previous boring smoke alarm, and I’ll see if the night light kicks in later.