Nest Protect Smoke Alarm (Wired)

Model: S3003LWAU

SKU: 664455 Product ID: 870390

Mains Connected
240 V Connector
Three long-life AA
Energizer® Ultimate
Lithium backup batteries

  • Voice alarms with custom location
  • Detect Carbon Monoxide
  • Nest app Mobile Alerts
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    Meet Nest Protect.
    There’s never been a smoke and CO alarm quite like this. Nest Protect looks for fast-burning fires, smouldering fires and carbon monoxide. It also speaks up when there’s a problem, can be silenced from your mobile and will even send a message to your mobile in case you’re not home.

    Key Features

    Get alerts on your mobile.
    Nest Protect sends you a message when there’s a problem or the batteries are running low.

    Tells you what, and where.
    Nest Protect speaks up if there’s smoke or CO and tells you where it is so that you know what to do.

    Sees the CO that you can’t.
    Carbon monoxide is an invisible, poisonous gas. Nest Protect tells you where it’s hiding.

    A light in the dark.
    Nest Protect usually has its light turned off, but when you walk underneath it, Pathlight can light your way.

    Every second counts.
    The Split-Spectrum Sensor looks for both fast- and slow-burning fires.

    Silence from the Nest app.
    Just burned the toast? Silence the false alarm with your mobile, not your tea towel.

    Up to 10 years life span.
    Nest Protect’s long-lasting sensors keep you safe and sound for up to a decade.

    Sleep safely and soundly.
    Nightly Promise is a quick green glow that can be seen when you turn off the lights, letting you know everything’s working as it should.


    Connected home device type - Alarms & Sensors

    Wi-Fi - Yes

    Works with Google Assistant - False

    Connected home features - Yes

    Manufacturer's warranty - 2 Years


Rated 2 out of 5 by from Non compliant wiring Bought it and was excited to get it up and running. I called the electrician who came the next day. Upon inspection he refused to install it as the power wire in non compliant, the reason it is not double insulated. I took his word for it and returned it to the store, the guy behind the counter was aware of the non compliance and stated "I don't know why we sell them" and shook his head. I was offered a battery only powered one which I declined as I'd prefer hard wired with battery back up. I got a refund no problem at all. The battery only one would be fine as it meets standards for the sensors and is not hard wired. No doubt a fabulous product but I was a little disappointed in the outcome.
Date published: 2017-11-21
Rated 5 out of 5 by from Protect your Pet We replaced the standard smoke detector for one that would alert us instantly (via phone notification) if there was smoke in our apartment. This would give us a opportunity to check up on our indoor cat if there ever was an alarm. We have Nest Protect (240 V) coupled with Philips Hue lights and Nest Cam to view/monitor the apartment remotely. Very easy to install the detector, about 15 min. I did read about some people having issue with a non-complaint cable that comes in the box. Yes, the cable should be double insulated but this can be solved very easy by any competent electrician which you will need for 240 v detector. All that is needed is some LV rated heatshrink and small junction box for the connector terminals in the ceiling space to ensure full compliance. Certainly worth the money for piece of mind.
Date published: 2018-02-10
Rated 5 out of 5 by from Nest is best We have purchased 4 Nest detectors for two different renovations. We couldn’t be happier. When the gas fireplace was certified the Co2 function got us across the line. We have our latest detectors connected with the Nest doorbell, Nest/Yale door lock and Nest alarm system. They all work well together as a complete package. It’s a shame you have to purchase these from the US. We had no problems with our sparky wiring these in.
Date published: 2018-09-04
Rated 4 out of 5 by from Great High Quality Product I would put 5 stars on the product, the only reason I put 4 stars is because Nest does not support HomeKit, but the product itself is high quality. If you want to integrate to HomeKit you could experiment with Homebridge an unofficial solution.
Date published: 2018-09-07
Rated 5 out of 5 by from Nest Great item. Sends updates to phone on the status of unit. The night light has been fantastic just an added bonus.
Date published: 2018-10-19
Rated 5 out of 5 by from Great with piece of mind I’ve been using nest smoke detectors for about 6 years and wouldn’t have anything else
Date published: 2019-02-08
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^Discounts apply to most recent previous ticketed/advertised price. As we negotiate on price, products are likely to have sold below ticketed/advertised price in stores prior to the discount offer. Prices may differ at Sydney Airport store.