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From the manufacturer

Thinks, speaks, and alerts your phone.

There’s never been a smoke and CO alarm quite like this. Nest Protect looks for fast-burning fires, smoldering fires, and carbon monoxide. It speaks up when there’s a problem and can send a message to your phone if you’re not at home.[1] And it helps keep you safe and sound for up to a decade.

Speaks up to tell you what’s wrong.

When there’s smoke or CO in your home, Nest Protect speaks in a friendly, human voice to give you an early warning and tell you where the danger is.

Phone alerts.

Nest Protect can send you a message when there’s a problem or if the batteries are running low.[1]
Every second counts.

The Split-Spectrum Sensor detects smoke from both fast and slow burning fires.
10-year CO sensor.

Carbon monoxide is poisonous, but invisible. Nest Protect has long-lasting sensors to detect it.
Silence with your phone.

With App Silence, you can hush the alarm on the Nest app if everything’s under control.
Nightly Promise.

The quick green glow means all your Nest Protects have tested themselves and the batteries are good.

1 Phone alerts 2 Smoke detector 3 CO sensor 4 App Silence 5 Nightly Promise

Ready to go.

The blue light glows when Nest Protect is active and ready to be connected or tested with a Safety Checkup.
Nightly Promise.

The light ring glows green when you turn out the lights to let you know everything’s working well.
Heads-Up.

The light ring glows yellow to give you an early warning when there’s only a little smoke, like if you’ve just burned the toast.
Emergency.

The light ring pulses red when smoke or CO in the room has reached dangerous levels.
Pathlight

When you walk under Nest Protect at night, Pathlight turns on like a night light in dark rooms or hallways.
Your everyday view.

Nest Protect only lights up when it has something to tell you. So it stays off most of the time.

Product information

Technical Details

Brand

‎Google

Style

‎Wired

Power Source

‎Battery Powered

Color

‎White

Product Dimensions

‎1.5"D x 5.3"W x 5.3"H

Item Weight

‎1 Pounds

Alarm

‎Audible

Sensor Type

‎Split Screen

Manufacturer

‎Google Nest

Part Number

‎S3003LWES

Item Weight

‎1 pounds

Item model number

‎A12

Batteries

‎3 Lithium Metal batteries required. (included)

Is Discontinued By Manufacturer

‎No

Size

‎1

Voltage

‎1.5 Volts

Item Package Quantity

‎1

Type of Bulb

‎Incandescent

Included Components

‎Wall plate

Batteries Included?

‎Yes

Batteries Required?

‎No

Battery Cell Type

‎Lithium Metal

Additional Information

ASIN

B00XV1RD0K

Customer Reviews

4.6 4,777 ratings

4.6 out of 5 stars

Best Sellers Rank

#23,862 in Tools & Home Improvement (See Top 100 in Tools & Home Improvement)
#47 in Smoke & Carbon Monoxide Alarms

Date First Available

July 17, 2012

Warranty & Support

Amazon.com Return Policy:Amazon.com Voluntary 30-Day Return Guarantee: You can return many items you have purchased within 30 days following delivery of the item to you. Our Voluntary 30-Day Return Guarantee does not affect your legal right of withdrawal in any way. You can find out more about the exceptions and conditions here.

Feedback

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Looking for specific info?

Product guides and documents

User Guide (PDF)

User Manual (PDF)

Product Description

Google Nest Protect (Wired) packaged with a Google Seal for Online Marketplace.

WARNING: California’s Proposition 65

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	Buying options	Try again! Details Added to Cart	Try again! Details Added to Cart	Try again! Details Added to Cart	Try again! Details Added to Cart	Try again! Details Added to Cart
Price	—	-29% $95.99 List: $135.99	-27% $91.99 List: $125.99	$42.99	-20% $46.39 List: $57.99	$42.99
Delivery	—	Get it as soon as Tuesday, May 21	Get it as soon as Monday, May 20	Get it as soon as Monday, May 20	Get it as soon as Monday, May 20	Get it as soon as Monday, May 20
Customer Ratings	4.64,777	4.5528	4.63,277	4.51,234	4.1256	4.5642
Battery life	4.2	4.1	4.4	4.4	4.6	4.5
Easy to install	4.2	4.7	4.6	4.4	4.8	4.6
Value for money	—	—	4.2	4.3	4.3	4.5
Sold By	—	X-Sense US	X-Sense US	X-Sense US	Glary Corp.	X-Sense US
power source	Battery Powered	Battery Powered	Battery Powered	AC	Battery Powered	Battery Powered
sensor type	Split Screen	Photoelectric, Electrochemical	Photoelectric, Electrochemical	Photoelectric, Electrochemical	electrochemical,photoelectric	Electrochemical, Photoelectric
style	Wired	Wi-Fi Connected Model	RF Interconnected Model	Hardwired Interconnected Model (with Voice Location)	—	RF Interconnected Model (with Voice Location)
alarm	Audible	Audible	Audible	—	Audible	Audible

Important information

Bulb Voltage

1 volts

Customer reviews

4.6 out of 5

4,777 global ratings

How customer reviews and ratings work

Customers say

Customers like the ease of setup and installation of the gas smoke fire alarm. They say the detailed instructions are easy to follow. They also appreciate the performance, brightness, and false alarms. They mention that the detector would warn you before smoke got bad and that the alarm is the best in the industry. Customers also appreciate appearance. However, some customers have mixed opinions on value, connectivity, and quality.

AI-generated from the text of customer reviews

511 customers mention468 positive43 negative

Customers find the installation of the gas smoke fire alarm to be easy. They say the detailed instructions are easy to follow and the entire process has gotten much easier. Some mention that the alarms come with all hardware needed to install, even an extra wire nut to cap an interconnect.

"...First and foremost, the setup process was a breeze. Thanks to the intuitive Nest app, I had the device up and running in minutes...." Read more

"...Setup*Getting this set up was very easy. You can really tell they put a lot of work into the presentation and setup...." Read more

"...The entire process has gotten much easier and more refined. The app has certainly gotten better in 2 years...." Read more

"This was bought as a present and installation was really easy, it is really good and very effective...." Read more

288 customers mention240 positive48 negative

Customers like the performance of the gas smoke fire alarm. They mention that it works well, functionally it's dead on, and the app has worked fine so far. They also say that it seamlessly works with other Nest products and the color ring. Customers also say the app front end does a fantastic job.

"...Mobile App*The app is very well-designed and works well on both my phone and tablet...." Read more

"...They have been working well and have had no issues since. I just purchased an equal number of these Ver 2.0's for my own home and love them...." Read more

"...a present and installation was really easy, it is really good and very effective...." Read more

"...Nightlite is great too. Other features work great as well." Read more

264 customers mention246 positive18 negative

Customers like the brightness of the gas smoke fire alarm. They say it has a lighting feature that turns on when it's dark, and the nightlight function is a nice feature. They also say it'll light your way as you walk through the house without turning on additional lights. Customers also love the light signal that lets them know that the detectors are checking. They mention that the pathlight is nice but not really necessary.

"...blends seamlessly with any home decor, while the built-in pathlight provides subtle illumination in darkened hallways...." Read more

"...Adjust unit LED brightness (low, medium, high)- Change language (English, English (UK), Spanish, French, French (CA), Netherlands)-..." Read more

"...It gently lights up the pathways at night when motion is detected. I love that feature. The design aesthetics really go well anywhere you put it...." Read more

"...The path light strength is also configurable in the app...." Read more

207 customers mention180 positive27 negative

Customers like the false alarm of the gas smoke fire alarm. They say the warning and alarms are both pleasant and effective. They appreciate that the detector would warn them before smoke got bad. Some say the smoke alarm tests itself monthly and lets them know when it's going to sound. They also mention that it'll alert their phone if they're away and sends alerts about any health issues regarding the detectors.

"...The dual-sensor technology ensures prompt and accurate detection of potential hazards, giving me confidence that my family is always safe and..." Read more

"...Compared to the Nest Protect 1st gen, this one has an improved smoke chamber (fewer false alarms), smaller physical footprint, App Silence feature..." Read more

"...The Nest protect is constantly checking itself, allowing for a install and forget mentality that you could not do with older, not-smart smoke..." Read more

"...and the warning and alarms are both pleasant and effective...." Read more

131 customers mention120 positive11 negative

Customers are satisfied with the appearance of the gas smoke fire alarm. They mention it has a good design that allows them to align the detector. They appreciate the color ring and the clever back plate that allows you to orient the detector any way you wish. Customers also mention that the product is perfect for their kitchen and that installation is slicker than a hot knife.

"...From its sleek design to its intelligent features, this device has exceeded all my expectations and provided unparalleled peace of mind for me and..." Read more

"...So overall, the Nest Protect is an expertly-designed device and I love it so far. It has everything I could expect from a smoke/CO detector...." Read more

"...The screws are unlike and that I have encountered before and look very modern and nice. (not that you will be seeing them after installation)...." Read more

"...The square design isn't too bad, you can turn it around to look good against the walls, but it would be nice to have a round option too...." Read more

282 customers mention182 positive100 negative

Customers are mixed about the value of the gas smoke fire alarm. Some mention it's well worth the money and time to convert, while others say it'll be a hard pill to swallow.

"This was bought as a present and installation was really easy, it is really good and very effective...." Read more

"...I recomend these to friends, worth the money and time to convert." Read more

"...Honestly, that was the biggest deterrent using these. The cost was a hard pill to swallow, but after looking at all the different things that these..." Read more

"...Overall, easy to install, and the features are well worth the extra cost in my opinion." Read more

198 customers mention124 positive74 negative

Customers have mixed opinions about the quality of the gas smoke fire alarm. Some find it to be well made, with no cheap parts. They also say it's an extremely slick product, with a solid build. However, others say that one unit was defective, the Nest app crashed 16 times in their attempt to install, and the devices have a limited life of 10 years. They say the device comes back with an error code and doesn't do anything interesting.

"...this device has exceeded all my expectations and provided unparalleled peace of mind for me and my family...." Read more

"...I told him that at this point I think one or more of these are defective but I have no way of knowing which one...." Read more

"...The box is easy to open, and very welcoming with its simplistic and well-designed instructions...." Read more

"...It has a pleasant and natural sounding voice. I really do think this a complete package. I wonder if there any other features that could be added...." Read more

195 customers mention117 positive78 negative

Customers are mixed about the connectivity of the gas smoke fire alarm. Some mention that they love the integration with the app, and it works flawlessly. Others say that it stopped connecting to a 5GHz network and causes a weak connection.

"This is not your average smoke detector, it's ability to integrate with other nest devices adds to its usefulness, but there are also some things..." Read more

"...At first all my wireless devices (including the nests) would keep dropping off my network. I found out I needed to replace my old D-link router...." Read more

"...packaged very nicely the directions were easy to follow and the app was easy to find...." Read more

"...The app is also simple. You scan the code on the back of each unit, assign a room identifier and follow the few prompts. Done...." Read more

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Laimute Paulauskaite

design and intelligent features

Reviewed in the United States on April 6, 2024

Verified Purchase

The Google Nest Protect Smoke Alarm and Carbon Monoxide Detector is nothing short of a game-changer in home safety. From its sleek design to its intelligent features, this device has exceeded all my expectations and provided unparalleled peace of mind for me and my family.

First and foremost, the setup process was a breeze. Thanks to the intuitive Nest app, I had the device up and running in minutes. The step-by-step instructions were clear and easy to follow, ensuring a seamless installation process.

Once installed, the Nest Protect immediately impressed me with its advanced capabilities. Its ability to detect both smoke and carbon monoxide provides comprehensive protection for my home, eliminating the need for separate devices. The dual-sensor technology ensures prompt and accurate detection of potential hazards, giving me confidence that my family is always safe and secure.

One of the standout features of the Nest Protect is its intelligent alerts and notifications. Whether I'm at home or away, I receive real-time alerts on my smartphone in the event of smoke or CO detection, allowing me to take immediate action and ensure the safety of my loved ones. The ability to silence false alarms directly from the app is also a convenient feature that adds to the device's overall usability.

Additionally, I appreciate the thoughtful design of the Nest Protect. Its sleek and minimalist appearance blends seamlessly with any home decor, while the built-in pathlight provides subtle illumination in darkened hallways. The self-check feature gives me peace of mind, knowing that the device is always operating at optimal performance.

In conclusion, the Google Nest Protect Smoke Alarm and Carbon Monoxide Detector is a must-have investment for any homeowner. Its advanced features, ease of use, and stylish design make it a standout product in the realm of home safety. I couldn't be happier with my Nest Protect, and I wholeheartedly recommend it to anyone looking to prioritize the safety and security of their home and loved ones.

4 people found this helpful

Helpful

Nine Five Garage

The wait for gen 2 has paid off!

Reviewed in the United States on July 21, 2015

Verified Purchase

I was always very interested in the original Nest Protect. I always loved the idea, but didn't feel the cost was justified given the negative reviews and early issues. Although they have been able to gradually improve the Nest Protect through software updates, I figured if I was patient enough, I could wait until they released a whole new hardware refresh. I'm glad I waited!

Compared to the Nest Protect 1st gen, this one has an improved smoke chamber (fewer false alarms), smaller physical footprint, App Silence feature (silence alarm through app via Bluetooth), and other hardware improvements that extend the stated lifespan to ten years (up from seven)! All very good improvements.

But does it work? Well, my house hasn't done the ultimate test of becoming engulfed in flames yet, but I did do some basic false alarm testing. Steam from a nearby bathroom, and light smoke from a candle, both failed to trip the alarm. So it seems their claims of fewer false alarms are true thus far.

*Setup*

Getting this set up was very easy. You can really tell they put a lot of work into the presentation and setup. The box is easy to open, and very welcoming with its simplistic and well-designed instructions. Everything in the manual is accompanied by very good pictures to help you along the way.

Basically, the steps are:
1) Download app (Android and iOS compatible) and create a free account
2) Open Nest Protect box and remove hardware
3) With app ready to pair device, pull plastic tab from Nest Protect unit to power it on
4) Unit goes through some brief testing where you will be left with absolutely no doubt the alarm works (LOUD!)
5) Unit will pair with your phone so you can enter in wifi network info, after which it will connect to wifi
6) Remove old smoke detector and mounting plate
7) Disconnect old smoke detector wires and reconnect new wires included with Nest Protect
8) Screw in Newst Protect mounting plate and snap in other end of new wires to unit
9) Twist in unit to new mounting plate
10) Finish with another test and make final configuration changes via app. Done!

This was the first time I had ever replaced a smoke detector, and I found it very easy.

*Mobile App*

The app is very well-designed and works well on both my phone and tablet. It also integrates with a ton of other home automation gadgets, which is really cool (Nest Thermostat obviously, Philips Hue bulbs, Skydrop sprinkler controller, and many others). Here's some of the things you can do from the app:

- Change mode between Home and Away (not really relevant to CO detector, but good for other devices)
- Iniitiate Nest Protect sound test, checkup
- Silence alarm
- Change Protect location (family room, bedroom, etc, for accurate communication)
- Adjust Nest Sense:
- - Toggle Pathlight to light your way when you are under Protect at night
- - Nightly Promise (Unit self-tests and gives green "OK" light each night)
- - Steam Check (reduce false alarms on steam, good for units near bathrooms)
- - Heads Up (less loud & annoying pre-alarm warning when rising CO levels detected)
- Adjust unit LED brightness (low, medium, high)
- Change language (English, English (UK), Spanish, French, French (CA), Netherlands)
- View unit status (model, serial, software version, battery status, replace date, last update time, wifi MAC/IP addresses)
- Add/remove devices to your account
- What To Do (advice on preparing for CO/fire alerts)
- Device History (logs on alarms and updates)

So overall, the Nest Protect is an expertly-designed device and I love it so far. It has everything I could expect from a smoke/CO detector. Although it would be awesome if it could double as a wireless access point or security camera! I will definitely update this as I get more time with my Nest Protect 2nd gen units, especially if I get false positives, or actual positives. But so far I am loving my Nest Protect.

71 people found this helpful

Helpful

Top reviews from other countries

Translate all reviews to English

JEAN-FRANCOIS GRENIER

This is the iPhone of the 'smoke detector'

Reviewed in Canada on December 9, 2023

Verified Purchase

This is the best, that's it.

Nest did to the 'smoke detector' what Apple did to the 'cellular phone': it made it relevant, interesting, useful, resourceful and finally, beautiful.

I bought my first Nest Protect after a week fighting with my 'regular old school' smoke detector BLASTING LIKE CRAZY at 2AM for absolutely nothing. I did some investigation, might have been a spider/bug, too low humidity (because of summer AC/cooling), whatever the hell.

I can tell you I was ready to pay any money to not be waken up at 2AM because of a stupid, non-threatening issue.

And then I tried Nest Protect, and found love, respect and understanding.

And then I bought more Nest Protect devices because I trust these devices a lot more than any cheap chirpin' gadget you find at the hardware store.

Perfect device !!!

2 people found this helpful

Patricia Requejo

Nest Protect

Reviewed in Mexico on February 7, 2018

Verified Purchase

Muy bueno , si detecta perfecto los gases de Monóxido de carbono. Y por parte del envío muy bueno y a tiempo

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Alexandre

Perfect.

Reviewed in Canada on August 29, 2023

Verified Purchase

I'm absolutely thrilled with the Google Nest Smoke Detector! Its sleek design blends seamlessly into my home, and the ease of installation was a pleasant surprise. The combination of smoke and carbon monoxide detection, along with its ability to alert my phone, provides an unparalleled sense of safety and peace of mind. The fact that it can differentiate between real emergencies and minor incidents, reducing false alarms, is a game-changer. Plus, the integration with other smart devices in my home ecosystem is incredibly convenient. Overall, the Google Nest Smoke Detector has exceeded my expectations and is an essential addition to any modern home.

4 people found this helpful

Judy green

Works great!

Reviewed in Canada on October 20, 2023

Verified Purchase

Super simple to set up, works great- love the added feature of the motion sensor night light!

Sam Alley

Super good quality

Reviewed in Canada on January 24, 2024

Verified Purchase

Google is Google; there is no question of the quality. It is unique and worth every dollar spent on it, and I wish there were more than five stars.

See more reviews

Brand	Google
Style	Wired
Power Source	Battery Powered
Color	White
Product Dimensions	1.5"D x 5.3"W x 5.3"H
Item Weight	1 Pounds
Alarm	Audible
Sensor Type	Split Screen

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Google Nest Protect - Smoke Alarm - Smoke Detector and Carbon Monoxide Detector - Wired, White

About this item

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From the manufacturer

Thinks, speaks, and alerts your phone.

Speaks up to tell you what’s wrong.

Phone alerts.

Every second counts.

10-year CO sensor.

Silence with your phone.

Nightly Promise.

Ready to go.

Nightly Promise.

Heads-Up.

Emergency.

Pathlight

Your everyday view.

Product information

Technical Details

Additional Information

Warranty & Support

Feedback

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Videos

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Customer Review: So...this is annoying

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Using the Google Nest Protect in 2023

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Our Point of View on Google Nest Protect Smoke Alarms

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Google Nest Protect Smoke and Carbon Monoxide Alarm

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A Google Smoke Alarm! Google Nest Protect

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Product Description

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Important information

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