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Nest Protect technical specifications

Here are specific details about your Google Nest Protect including dimensions, weight, maximum elevation, and more.

2nd gen Nest Protect

Nest protect 2nd gen plus side

  Nest Protect (Battery) Nest Protect (Wired)

External button and connector

Nest button

Nest button
120V AC power connector

Weight

13.9 oz (379 g)

13.2 oz (375 g)

Power

6 long-life batteries (Energizer Ultimate Lithium L91 AA)

120V connector
Backup battery: 3 long-life backup batteries (Energizer Ultimate Lithium L91 AA)

In the box

Nest Protect
Backplate
Mounting screws
User's Guide
Safety, Warranty, Regulatory Guide
Welcome Guide
6 long-life batteries (Energizer Ultimate Lithium L91 AA)

Nest Protect
Backplate
Mounting screws
User's Guide
Safety, Warranty, Regulatory Guide
Welcome Guide
120V AC connector
3 wire connectors
3 long-life backup batteries (Energizer Ultimate Lithium L91 AA)

Color

White

Size

Height: 5.3 in (13.4 cm)
Width: 5.3 in (13.4 cm)
Depth: 1.5 in (3.85 cm)

Languages

Languages on the Nest Protect

Sensors

Split-Spectrum Sensor
10-year electrochemical carbon monoxide sensor
Temperature
Humidity
Motion (120° field of view up to 20 feet)
Ambient light
Accelerometer
Microphone
Learn more

Speaker

2-watt speaker

Horn

85dB SPL at 10 ft (3 m)

Light ring

6 RGB color ring

Wireless

Wi-Fi: 802.11b/g/n 2.4 GHz
Wireless Interconnect: 802.15.4 at 2.4 GHz
Bluetooth Low Energy (BLE)

Connectivity requirements

Wi-Fi Internet connection
Nest app (check requirements)
Phone or tablet running iOS or Android with Bluetooth Low Energy (BLE)

Certification

Nest Protect has been tested by Intertek Testing Services to comply with US and Canadian safety standards.

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

UL 2034, 4th Ed. - “Single and Multiple Station Carbon Monoxide Alarms”
UL 217, 8th Ed. - “Smoke Alarms”

Nest Protect satisfies the requirements of the NFPA-72 - “National Fire Alarm and Signaling Code” when installed in accordance with the User Guide.

Operating

Ambient:

Temperature
40° to 100°F (4.4° to 38.8°C)

Humidity
Up to 90% RH unpackaged

Pressure
Up to 10,000 ft altitude

Storage

Ambient:

Temperature
-4° to 113 °F (-20° to 45 °C)

Humidity
Up to 80% RH in packaging

Pressure
Up to 15,000 ft altitude
 

Green

Contains no hazardous substances
RoHS compliant
REACH compliant
Recyclable packaging

Learn more at sustainability at Google

1st gen Nest Protect

Nest Protect White

  Nest Protect (Battery) Nest Protect (Wired 120V)

Color

White

External button and connector

Nest button

Nest button
120V AC connector

Size and weight

Height: 5.28 in (13.4 cm)
Width: 5.28 in (13.4 cm)
Depth: 1.63 in (4.1 cm)
Weight: 13.1 oz (372 g)

Height: 5.28 in (13.4 cm)
Width: 5.28 in (13.4 cm)
Depth: 1.63 in (4.1 cm)
Weight: 12.4 oz (352 g)

Sensors

Photoelectric smoke sensor
7-year Carbon monoxide sensor
Temperature
Humidity
Motion
Ambient light
Ultrasonic (Inactive)

Speaker and horn

Speaker: 80dB at 3 ft (1 m) at 1 kHz
Horn: 85dB SPL at 10ft (3 m)

Wireless

802.11b/g/n (2.4GHz) Wi-Fi
802.15.4 (2.4GHz)

 

System requirements

Wi-Fi internet connection
Nest app (check requirements)
Phone or tablet running iOS or Android with Bluetooth Low Energy (BLE)

Languages

Languages on the Nest Protect

Certification

Nest Protect has been tested to comply with safety standards in the United States set out by:
Underwriters Laboratories Inc.
California State Fire Marshal

Nest Protect complies with all of the following smoke and carbon monoxide alarm standards:
UL 2034 - “Single and Multi Station Carbon Monoxide Alarms”
UL 217 - “Single and Multi Station Smoke Alarms”
NFPA-72 - “National Fire Alarm and Signaling Code”

In the box

  • Nest Protect (Battery)
  • 6 long-life batteries
  • Backplate
  • 4 screws
  • User's Guide, Welcome Guide and Warranty
  • Nest Protect (Wire 120V)
  • 3 long-life back-up batteries
  • Backplate
  • 4 screws
  • User's Guide, Welcome Guide and Warranty
  • AC 120V connector
  • 3 wire connectors

Operating

Ambient:

Temperature
40° to 10 °F (4.4° to 38.8 °C)

Humidity
Up to 90% RH unpackaged

Pressure
Up to 10,000 ft altitude

Storage

Ambient:

Temperature
-4° to 113 °F (-20° to 45 °C)

Humidity
Up to 80% RH in packaging

Pressure
Up to 15,000 ft altitude
 

Green

Contains no hazardous substances
RoHS compliant
REACH compliant
Recyclable packaging

Learn more at sustainability at Google

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

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