Nest Protect Smoke and CO2 Detector


The smoke alarm that thinks, speaks and alerts your phone.  Limited local area installation is currently available for smart home products.  Please call 216-267-5076 for availability in your area.


1 in stock


What it can do:

  • Checks its batteries and sensors over 400 times a day
  • Uses Sound Check to quietly test its speaker and horn once a month
  • At night, Nest Protect lights up as you walk underneath it
  • Steam Check
  • Detect smoke and carbon monoxide
  • Notify you on your phone (WiFi and Internet required)
  • Warnings sent to all Nest Protect alarms in the home
  • Low battery warning sent to your phone before alarm chirps
In the Box
  • Nest Protect: 2nd Gen Smoke + CO Alarm
  • Backplate
  • Four screws
  • Six long-life AA batteries (Battery model)
  • User’s guide
  • Welcome guide
  • White
  • Dimensions: Weight: 13.9 oz (379.0 g),  Length: 5.3 in. (13.4 cm), Height: 5.3 in. (13.4 cm), Width: 1.5 in. (3.85 cm)
  • Color: White
  • Operating Temperature: The alarm should not be installed in locations where the normal ambient temperature is below 40ºF (4 ºC) or exceeds 100ºF (38 ºC). Humidity range: 20%RH to 80%RH (non condensing).
  • Sensors: Split‑Spectrum smoke sensor, 10 year electrochemical carbon monoxide sensor, Temperature, Humidity, Occupancy (120° field of view up to 20 feet), Ambient light, Accelerometer, Microphone
  • Battery model: Six long-life AA batteries (Energizer® Ultimate Lithium “L91”)
  • Audio: 80 dB @ 3 ft (1 m) @ 1kHz, Horn: 85 dB SPL @ 10 ft (3 m)
  • External Buttons: RGB color ring with 6 LEDs
  • Wireless: Working Wi-Fi connection 802.11b/g/n (2.4GHz)
  • Wireless interconnect: 802.15.4 @ 2.4GHz
  • Bluetooth Low Energy (BLE)
  • Manufacturer Product Warranty: 2 year limited warranty
  • Certification: Nest Protect has been tested to comply with safety standards UL 2034, UL 217, and NFPA-72 set out by UL and California State Fire Marshal.



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