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Nest Protect system requirements and technical specifications

The system requirements and technical specifications for the Nest Protect (Battery) and Nest Protect (Wired 120V).

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

Color

White or black.
Black available exclusively on nest.com

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External button and connector

Nest button

Nest button
120V AC connector

Size and weight

Height: 5.28 inches (13.4 cm)
Width: 5.28 inches (13.4 cm)
Depth: 1.63 inches (4.1 cm)
Weight: 13.1 ounces (372 grams)

Height: 5.28 inches (13.4 cm)
Width: 5.28 inches (13.4 cm)
Depth: 1.63 inches (4.1 cm)
Weight: 12.4 ounces (352 grams)

Sensors

Photoelectric smoke sensor
Carbon monoxide sensor
Heat sensor
Three activity sensors
Ambient light sensor

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Speaker and horn

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

Wireless

Working Wi-Fi connection: 802.11 - 2.4 GHz
Wireless Interconnect: 802.15.4 - 2.4 GHz

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System requirements

Wi-Fi connection
Smartphone or tablet with iOS 5 or later, or Android 4 or later
Free Nest Account

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Environmental information

Green
Mercury-free
PVC-free
Recyclable packaging

Operating
The alarm should not be installed in locations where the normal ambient temperature is below 40°F (4°C) or exceeds 100°F (38°C).
Humidity Range: 20% RH to 80% RH (non condensing).

Languages

Languages available out-of-the-box:
English and Spanish in the U.S.
English in the U.K.
English and French (Québécois) in Canada

Warranty

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

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 nuts

Replacement batteries (Lithium-L91 AA) available for purchase at your local retailer.

Learn more about the batteries you'll need for Nest Protect