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Nest Protect Wired Smoke & Carbon Monoxide Alarm (2nd Generation)


This product is not eligible for promotional offers and coupons. However, you are able to earn and redeem Kohl's Cash and YES2YOU Rewards on this product. Modified return policy applies.


Discover the perfect peace of mind knowing your home's protected with this Nest Protect smoke and carbon monoxide alarm.

Watch the product video here.


Limit 2 per household.


  • Looks for fast-burning fires, smoldering fires and carbon monoxide
  • Receive and manage low-battery, sensor failure and warning alerts on your phone
  • Audio alerts notify you of smoke or carbon monoxide with its location
  • Split-Spectrum Sensor looks for both fast and slow burning fires
  • Motion sensor Pathlight illuminates when walked under to light up your way
  • Quiet false alarms with your phone remotely
  • Long-lasting sensors keep you safe and sound for up to a decade
  • Nightly Promise offers a quick green glow when you turn out the lights that says everything�s working well


  • Nest Protect
  • Backplate
  • 3 AA Energizer Ultimate Lithium "L91" backup batteries
  • 4 screws & 3 wire nuts
  • 120V AC connector
  • Welcome & User's Guides


  • 5.3"H x 5.3"W x 1.5"D
  • Weight: 13.2 oz.
  • Requires a Wi-Fi connection, free Nest account & compatible phone or tablet
  • Compatible with iOS 8 or later & Android 4 or later
  • Sensors: Split-Spectrum, carbon monoxide, heat, humidity, occupancy, ambient light, omnidirectional microphone
  • Wireless: 802.11 b/g/n, 802.15.4, Bluetooth Low Energy (BLE) - Learn more about Bluetooth technology
  • Other features: Safety Checkup, Heads-Up Alerts, Sound Check, Self Test, Steam Check, Wireless Interconnect, Safety History, What To Do, Home Report
  • Manufacturer's 2-year limited warranty
  • For warranty information please click hereFor information about the modified return policy, please click here
  • Model no. S3003LWES

Due to its contents, this product cannot be shipped via our Priority Service or sent to Alaska, Hawaii, P.O. boxes, and/or APO/FPO military addresses.

View our full return policy here.


Rated 5 out of 5 by from This product is efficient. I purchased two of these Nest Protect Wired Smoke & Carbon Monoxide Alarms. This purchase complements my Nest Thermostat with features that connect to my smart phone. This 2nd Generation product provides peace of mind whether I'm home or away.
Date published: 2017-12-27
Rated 5 out of 5 by from I really like this product as I can check in at anytime from my wireless phone & will also get an alert if any alarm goes off in my home... Ypu can also link this to other Nest products in your home.
Date published: 2017-11-08
Rated 5 out of 5 by from Love this product It works great, our family absolutely loves this product especially the motion detecting night light feature
Date published: 2017-08-09
Rated 5 out of 5 by from Nice smoke alarm Works good, just thought we would buy a wired one to replace the old one in our house.
Date published: 2016-11-18
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