|Wireless||Working Wi-Fi connection: 802.11 b/g/n at 2.4 GHz
Wireless Interconnect: 802.15.4 b/g/n at 2.4 GHz
Bluetooth Low Energy (BLE)
|Sensors||Split-Spectrum Sensor, 450 nm and 880 nm wavelength
10 year electrochemical carbon monoxide sensor
Heat sensor, +/- 1.8F (+/- 1C)
Humidity sensor, +/- 3% RH
Occupancy sensor, 120 field of view to 20'
Ambient light sensor, 1-100k Lux Dynamic Range
Omnidirectional microphone, 70 dBA SNR
|Audible Indicator||Speaker: 2 W, 80 dB at 3' (1 m) at 1 kHz
Horn: 85 dB SPL at 10' (3 m)
RGB color ring with 6 LEDs
|Languages||United States: English, Spanish
Downloadable: English, French, Spanish, Dutch
Phone or tablet with iOS 8 or later, or Android 4 or later
Free Nest account
|Certification and Compliance||Underwriters Laboratories Inc.
California State Fire Marshal
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
|Environmental||Installed Environment Temperature Range: 40 to 100F (4 to 38C)
Relative Humidity Range: 20 to 80% (non condensing)
|Dimensions (HxWxD)||5.3 x 5.3 x 1.5" / 13.5 x 13.5 x 3.9 cm|
|Weight||13.2 oz / 375.0 g|
|Package Weight||1.645 lb|
|Box Dimensions (LxWxH)||6.35 x 6.35 x 2.8"|
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Help safeguard your home with the white Protect Wired Smoke and Carbon Monoxide Alarm from Nest. This alarm features a wired installation and it wirelessly interacts with your Android and iOS smart devices using the free Nest app. Wireless communication is achieved thanks to its built-in Wi-Fi and Bluetooth connectivity. The Nest Protect is designed to detect fast-burning fires, smoldering fires, and carbon monoxide. It produces an audible alert when action is required, and it can be conveniently silenced from your smart devices.