Power: 120 V Connector Three long-life AA Energizer Ultimate Lithium backup batteries
Languages: Pre-installed languages by country United States: English, Spanish Canada: English, French (Québécois) United Kingdom: English (British) France, Belgium and Netherlands: French and Dutch Note: After setup, you can change the language Nest Protect speaks to any of the above languages.
Sensors: Split-Spectrum Sensor, 450 nm and 880 nm wavelength 10 year electrochemical carbon monoxide sensor Heat sensor, +/- 1 degrees Celsius (+/- 1.8 degrees Fahrenhit) Humidity sensor, +/- 3%RH Occupancy sensor, 120 degree field of view to 6 meters (20 feet) Ambient light sensor, 1 - 100k Lux Dynamic Range Omnidirectional microphone, 70 dBA SNR
Speaker, horn, and light ring: 2 Watt Speaker Horn: 85 dB SPL at 3 m (10 feet) RGB color ring with 6 LEDs
Connectivity requirements: Wi-Fi connection Phone or tablet with iOS 8 or later, or Android 4.1 or later Free Nest Account
Wireless: Working Wi-Fi connection: 802.11b/g/n at 2.4 GHz Wireless Interconnect: 802.15.4 at 2.4 GHz Bluetooth Low Energy (BLE)
Operating Temperature: The alarm should not be installed in locations where the normal ambient temperature is below 4 degrees Celsius (40 degrees Fahrenhit) or exceeds 38 degrees Celsius (100 degrees Fahrenhit).
Humidity range: 20% RH to 80% RH (non condensing).
We want to ensure your holiday shopping this year is hassle-free. That’s why we’re automatically extending our return policies on almost every product! For purchases placed between November 1, 2022 and December 25, 2022 you will have until January 31, 2023 to return your product. There's nothing additional that you have to do!