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Nest Protect


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Step up to the next generation of smoke detectors. The Nest Protect uses state-of-the-art sensor technology to accurately detect smoke and carbon monoxide in your home. If it detects something, Nest Protect sends a voice alert to tell you what's wrong in which room, and can even alert you via phone.

  • Reliably detects and alerts you to the presence of smoke and carbon monoxide in your home.
  • Speaks in a calm, clear human-like voice, identifying the location of the danger.
  • Provides smartphone alerts and battery status updates to help protect your home while you're away.
  • Tests itself automatically and lasts up to a decade.
  • Alarm can be silenced from your smartphone.
  • Controlled via the free Nest app.
  • Sets up in minutes with your iPhone, iPad or Android device.
Dimensions & More Info
  • 5 1/4" sq., 1 1/2".
  • 13.9 oz.
  • Includes six long-life Energizer® Ultimate Lithium L91 AA batteries.
  • Made in China.

Additional Information

  • Split-spectrum sensor detects fast- and slow-burning fires.
  • Self-tests its own battery and sensors – no more battery chirps.
  • Heads Up early alert detects minimal smoke, such as when toast burns.
  • Pathlight feature provides a light when you walk under it at night (light level is adjustable).
  • Steam check prevents an alarm during showers.
  • Works with the Nest thermostat and Nest indoor camera for enhanced features such as auto-shutoff and video playback.
  • Requires a Wi-Fi connection with internet access.
  • Requires the Nest app on phone or tablet with Android or iOS.
  • 10-year product lifetime.
  • Includes mounting hardware.

Shipping Information

UPS can deliver most in-stock items within 3–5 business days. UPS is unable to deliver to P.O. boxes.

Shipping Rates

The shipping rate varies depending on your order total and shipping destination. View Shipping Options and Charges.

Next Day Delivery

For an additional charge of $26 per address, we can expedite delivery to most destinations. This service is not available for some oversize items, items shipped directly from the supplier (including perishable and custom-manufactured items), out-of-stock items and items to be shipped outside the contiguous 48 states.

Orders received by 9:00 p.m. ET Monday through Thursday will arrive the next business day; orders placed Friday through Sunday will arrive on the following Tuesday.

Return Policy

At Williams Sonoma, we take great pride in the quality and craftsmanship of our products. Attention to design, materials, safety and construction are our priority. Upon receipt, please inspect your purchase and notify us of any damage; we will arrange for a prompt replacement.

If within 30 days, you are dissatisfied for any reason, you may return your purchase for a refund of the merchandise value. An original receipt or gift receipt is required for all returns and exchanges. Returns with a gift receipt will be refunded in the form of a Merchandise Credit for the amount indicated on the gift receipt. Returns with original receipt will be refunded in the original form of payment, cash and check refunds over $100 will be issued as a company check (may take 14 business days from time of request).

For all cutlery returns (knife sets, single knives, cutting boards, knife sharpeners and knife storage), please contact us at 888.922.4108 to initiate the return.

We cannot accept returns on monogrammed, personalized, special-order items, custom upholstery, food, items shipped direct from the vendor or on items damaged through normal wear and tear. Final sale items ending in .97 or .99 cannot be returned.

Made to Order and Final Sale Furniture items are non-returnable and cannot be cancelled once the order is placed.

For returns of items purchased from your Williams Sonoma Gift Registry, we will gladly provide a refund or exchange for the merchandise within 90 days of your event or within 90 days of purchase, whichever date is later. View Full Returns Policy.

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  • Rated 5 out of 5 by from Nest Protect - it does what it says “PROTECT” Recently purchased a new house, and upgraded the Kidde hardwired smoke detectors to Nest Protect hardwired units as the Nest Protect weren’t only smoke detectors but Carbon Monoxide detectors with a host of features other manufacturers don’t offer. I like that the Nest Protect when paired with a Nest thermostat will shutdown your AC / furnace to prevent the spread of smoke / CO during a fire.
    Date published: 2019-10-07
    Rated 5 out of 5 by from Does what it needs to do It is easy to install, and setup. I like the warning before it goes off. It is especially nice in the kitchen to be able to dismiss false alarms, and it does not set off too easily to be annoying, but does recognize the smoke. Buy the multi pack, as it will save you money. I was surprised as the number of them I needed. The motion light is nice too.
    Date published: 2019-10-04
    Rated 5 out of 5 by from Nest smoke detector Great product and easy to install or add to exiting nest config. Love the night light coming on at night when you walk under it.
    Date published: 2019-10-04
    Rated 4 out of 5 by from Easy setup, looks nice but too expensive Title sums it up, if they lowered the exorbitant price to a reasonable level these would be the bomb. But I need seven to replace all of my detectors so it’s unbearable to spend that much. I bought four for now. Maybe a smoke only option would be cheaper, I don’t need CO detection in every room. They did install easy, and so far seem to work fine.
    Date published: 2019-10-04
    Rated 5 out of 5 by from Easy out of package plug and play Works great right off the bat. The device connects to your network, uses voice directed set up and you’re done. Super easy and useful for someone with elderly parents that you aren’t able to be with 24/7.
    Date published: 2019-10-01
    Rated 5 out of 5 by from Effective, Friendly and Easy to Use! We bought 3 battery-operated Nest Protect V 2 devices from online Google Store for a 1,650 sq ft. duplex coop apt in NYC. We placed #1 at top of stairs to living room, #2 at bottom of stairs in hallway to bedrooms, and #3 in dining room. Networking, install, control setup was quick and easy. After MANY tests, devices proved to be friendly, easy to use and very effective— for peace of mind at last!
    Date published: 2019-10-01
    Rated 4 out of 5 by from Really Good Product, but over priced I respect Nest for being one of the 1st companies to bring tech into the home. However, competition has moved faster then they have & the market has driven the prices of these features down lower than the company wants to sell its products.
    Date published: 2019-09-29
    Rated 4 out of 5 by from Extremely helpful for the household even for a daycare I will recommend it
    Date published: 2019-09-29
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