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Know more, worry less.

Know from anywhere

Nest Protect sends a message to your phone if the alarm goes off or the batteries run low.

An early warning

Before an emergency, Nest Protect can give you a friendly Heads-Up, telling you what and where the danger is.

Senses carbon monoxide

CO is odorless, invisible and deadly. Nest Protect alerts you to high CO levels and tells you where it's hiding.

Makes you a Nightly Promise

Nest Protect constantly tests itself and lets you know everything's working with a quick green glow at night.

Expect more from your smoke alarm.

Lifestyle

Tech specs.

Batteries

6 AA Energizer Ultimate Lithium batteries

Long-life batteries designed for multi-year operation

Wired (230V)

3 AA Energizer Ultimate Lithium backup batteries

Long-life backup batteries designed for multi-year operation

External button and connector

  • Batteries

  • Nest button

  • Wired (230V)

  • Nest button

  • 230V AC connector

Size and weight

  • Height: 13.4 cm (5.28 inches)

  • Width: 13.4 cm (5.28 inches)

  • Depth: 4.1 cm (1.63 inch)

  • Weight: 372 grams (13.1 ounces)

  • Height: 13.4 cm (5.28 inches)

  • Width: 13.4 cm (5.28 inches)

  • Depth: 4.1 cm (1.63 inch)

  • Weight: 352 grams (12.4 ounces)

Sensors

  • Photoelectric smoke sensor

  • Carbon monoxide sensor

  • Heat sensor

  • Three activity sensors

  • Ambient light sensor

  • Humidity sensor

Speaker and horn

  • Speaker Loudness: 80dB @ 1 meter @ 1kHz

  • Horn: 85 dB SPL @ 3 meters

Wireless

  • Wi-Fi connection: 802.11 - 2.4 GHz

  • Wireless Interconnect: 802.15.4 - 2.4 GHz

System requirements

  • Wi-Fi connection

  • Smartphone or tablet with iOS 6 or later, or Android 2.3.3 or later

  • Free Nest Account

  • Learn more >

Environmental information

Green

  • Mercury-free

  • PVC–free

  • Recyclable packaging

Operating

  • This alarm should not be installed in locations where the normal ambient temperature is below 4°C (40°F) or exceeds 38°C (100°F).

  • Humidity Range: 20%RH to 80%RH (non condensing).

Languages

  • Languages available out-of-the-box: English (UK)

Warranty

  • 2-year limited hardware warranty (see details inside)

Certification

Nest Protect has been tested to comply with safety standards in UK and Europe set out by BSI and European Regulations

Nest Protect complies with all of the following smoke and carbon monoxide alarm standards:

  • BS EN-14604 Smoke alarm devices.

  • EN-50291 - Electrical apparatus for the detection of carbon monoxide in domestic premises.

  • BS EN-50271:2010, Electrical apparatus for the detection and measurement of combustible gases, toxic gases or oxygen.

  • BS EN-50292 Electrical apparatus for the detection of carbon monoxide in domestic premises.

In the box

  • Nest Protect (Battery)

  • Six long-life batteries

  • Backplate

  • Four screws

  • User’s Guide and Welcome Guide

  • 2-year limited hardware warranty

  • Nest Protect (Wired 230V)

  • Three long-life backup batteries

  • Backplate

  • Four screws

  • User’s Guide and Welcome Guide

  • 2-year limited hardware warranty

  • AC 230V cable connector

  • Three terminal blocks

Replacement batteries (Energizer® Ultimate Lithium “L91” AA) available for purchase at your local retailer

Easy installation.

Nest Protect takes only minutes to install, and you can set it up from your phone.

Watch installation video  
Pieces