Your fall top sellers are here. Check out what’s trending this season. Shop Now >

Link to Lowe's Home Improvement Home Page

Prices, Promotions, styles, and availability may vary. Our local stores do not honor online pricing. Prices and availability of products and services are subject to change without notice. Errors will be corrected where discovered, and Lowe's reserves the right to revoke any stated offer and to correct any errors, inaccuracies or omissions including after an order has been submitted.

Google Hardwired Smart Combination Smoke and Carbon Monoxide Detector with Voice Alert

Get Pricing & Availability

Get alerts on your phone - Nest Protect sends you a message when there’s a problem or the batteries run low
Every second counts the split-spectrum sensor looks for both fast and slow burning fires
Tells you what and where - Nest Protect speaks up if there’s smoke or CO and tells you where it is so you know what to do

Best Price. Guaranteed

Find a lower price on an exact item? We'll match it. Some exclusions apply.

FREE Returns

Return it in store or ship it back for free. Eligibility rules apply.

FREE Shipping

Delivery is on us for orders over $45. Some exclusions apply.

Nest Protect reliably detects and alerts you To the presence of smoke or carbon monoxide in your home. The alarm speaks to you in a calm, clear, human voice, telling you the location of the danger. It also provides smartphone alerts and battery status updates To help Protect your home while you're away. This hardwired version is suitable for homes with existing hardwired smoke or CO detectors.

Get alerts on your phone - Nest Protect sends you a message when there’s a problem or the batteries run low
Every second counts the split-spectrum sensor looks for both fast and slow burning fires
Tells you what and where - Nest Protect speaks up if there’s smoke or CO and tells you where it is so you know what to do
Hush from the Nest app - quiet the false alarm with your phone, not your dish towel
Sees the CO you can’t - Carbon monoxide is an invisible poisonous gas - Nest Protect tells you where it’s hiding
10-year life span - Nest Protect long-lasting sensors keep you safe and sound for up to a decade
A light in the dark - Usually Nest Protect has its light turned off but when you walk underneath it Pathlight can light your way
Sleep safe and sound - Nightly promise is a quick green glow when you turn out the lights that says everything’s working well