Nest Protect technical specifications

Here you will find 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

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

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

In the box

Nest Protect
Backplate
Mounting screws
User's Guide
Welcome Guide
Six long-life batteries (Energizer Ultimate Lithium L91 AA)

Nest Protect
Backplate
Mounting screws
User's Guide
Welcome Guide
120V AC connector
Three wire connectors
Three 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
Learn more >
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 feet (3 m)

Light ring

6 RGB Color ring

Wireless

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

Connectivity requirements

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

Certification

Nest Protect has been tested by Underwriters Laboratories to comply with US and Canadian safety standards as well as tested by UL UK to comply with European standards.

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

Underwriters Laboratories Inc.
California State Fire Marshal
Canadian Standards Association
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”
CSA 6.19-01 - “Residential carbon monoxide alarming devices” CAN-ULC-S531-02 “Standard for Smoke Alarms”
CFR47 FCC15B
CFR47 FCC 15C
RSS-Gen 
RSS-210
RSS-102

Warranty

2-year limited warranty >

 

Operating

Ambient:

Temperature
32° to 104°F (0° to 40°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 nest.com/responsibility

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
Carbon monoxide
Temperature
Humidity
Motion
Ambient light
Ultrasonic (Inactive)

Speaker and horn

Speaker: 80dB @ 3 ft (1 meter) @ 1kHz
Horn: 85dB SPL at 10ft (3 meters)

Wireless

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

 

System requirements

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

Languages

Languages on the Nest Protect >

Warranty

2-year limited warranty >

 

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)
  • Six long-life batteries
  • Backplate
  • Four screws
  • User's Guide and Welcome Guide
  • 2-year limited hardware warranty
  • Nest Protect (Wire 120V)
  • Three long-life back-up batteries
  • Backplate
  • Four screws
  • User's Guide and Welcome Guide
  • 2-year limited hardware warranty
  • AC 120V connector
  • Three wire connectors

Operating

Ambient:

Temperature
32° to 104°F (0° to 40°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 nest.com/responsibility

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

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