Specifications: Power: Six long-life AA Energizer Ultimate Lithium 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...