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 (Battery)	Nest Protect (Wired
External button and connector	Nest button	Nest button 120V AC power connector
Weight	379 g	375 g
Power	Six Energizer Ultimate Lithium L91 AA	240V AC connector Backup battery: Three 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 240V AC connector Three wire connectors Three 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 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 certified by SAI Global to comply with Australian Standards.   Nest Protect complies with AS-3786:2014 - Smoke alarms using scattered light, transmitted light, or ionization.
Warranty	2-year limited warranty
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