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The Nest Protect Smoke Alarm (Battery Powered) has a Split‑Spectrum Sensor and a carbon monoxide sensor, making it a smart and convenient safety solution for your home.

Key Features
  • Featuring a Split‑Spectrum Sensor, the Nest Protect Smoke Alarm (Battery Powered) can detect smoke from slow and fast-burning fires and sounds the alarm, allowing you to easily make emergency actions.
  • During Emergency alarm levels, the Nest Protect Smoke alarm’s 2-watt speaker sounds a siren with a noise level of up to 85dB with a coverage of over 3m, so you can be easily notified when there’s a smoke.
  • With Weave technology, your Nest Protect alarms syncs with each other and sounds simultaneously to let you easily know the location of smoke in your home even when disconnected to a network connection.
  • Using this smoke alarm’s Nest app*, you can silence the alarm using your compatible phone, and get alerts, monthly Home Reports, and more.
  • With Bluetooth connectivity, the Nest Protect smoke alarm lets you silence a false alarm or quickly set up your alarms using your Bluetooth-enabled device.
*Download required.
Google Assistant  Works with Alexa  


Barcode (GTIN) 813917020807
Product Type Security & Utilities
Compatibility Alexa, Google Assistant
Brand Nest
Model S3000BWAU
Colour White
Product Width (cm) 13.5
Product Depth (cm) 3.85
Product Height (cm) 13.5
Weight (kg) 0.38
Manufacturers Express Warranty (months) 24

If you feel your product has failed a Consumer Guarantee (as defined by Australian Consumer Law) then don't worry you can easily return it to your local Harvey Norman store. We'll even pay for the postage if you live in an area where there is no store. Our returns policy covers any purchased item (conditions apply).

  • Buying Guide: Connected Devices

    Our collection of connected devices is made up of products that are designed to give you greater control over your life, including health, fitness, security and home automation.

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Protect your purchase with Product Care®. Get a brand new replacement if your product suffers an eligible fault through our hassle free support process, plus enjoy a range of exclusive benefits like a product health check and free prints each year so you experience your new product even more.

Discover all of the benefits Product Care® brings you:


With Product Care® you can relax knowing your purchase is protected. After an assessment, if your product suffers a fault covered by the terms of your plan, we’ll arrange to have a brand new replacement delivered to your doorstep.


Our range of support options ensure you experience an easy and hassle free process when you need to talk to us about your Product Care® plan. Whether you are experiencing a fault, or wanting to redeem your entitlements, we will provide you with guidance and support every step of the way.


Having Product Care® with your purchase means you can enjoy a range of special benefits that are exclusive to you and will help you enjoy the experience of your new product even more.

Conditions apply. This section should always be read in conjunction with the Terms and Conditions for Product Care® Replacement (Computers). 

Learn more about Product Care®.

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Nest Protect Smoke Alarm (Battery Powered) - White
3696923 813917020807

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