2nd gen Nest Protect technical specifications

External button and connector

Nest button

Nest button
120V AC power connector

Weight

379 g

375 g

Power

6 Energizer Ultimate Lithium L91 AA

240V AC connector
Backup battery: 3 Energizer Ultimate Lithium L91 AA

In the box

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

Nest Protect
Backplate
Mounting screws
User's Guide
Safety, Warranty and Regulatory Guide
Welcome Guide
240V AC connector
3 wire connectors
3 long-life backup batteries (Energizer Ultimate Lithium L91 AA)

Color

White

Size

Height: 13.4 cm
Width: 13.4 cm
Depth: 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 ft)
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)

Learn more

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 certified by UL International New Zealand Ltd to comply with smoke and carbon monoxide alarm standards:

AS-3786:2014 - Smoke alarms using scattered light, transmitted light, or ionization

EN-50291:2010 + A1:2012 – Electrical apparatus for the detection of carbon monoxide in domestic premises

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