Item 1 of 2
Item 1 of 2
forum threadneomatrixviper posted Jun 01, 2026 08:52 PM
 Costco Wholesale
Deal Details
https://www.costco.com/p/-/400042...007cb3
$20 OFF
$20 manufacturer's savings is valid 6/1/26 through 6/30/26. While supplies last.
Limit 10 per member.
Real-time Smoke and Carbon Monoxide Notifications in the Ring app
Over 25% Faster Smoke Detection*
Optional Ring Subscription with 24/7 Monitoring for $5/month**
Provides Whole-home Smart Connectivity
Cutting-edge Sensing Technology Reduces False Alarms.***
$20 OFF
$20 manufacturer's savings is valid 6/1/26 through 6/30/26. While supplies last.
Limit 10 per member.
Real-time Smoke and Carbon Monoxide Notifications in the Ring app
Over 25% Faster Smoke Detection*
Optional Ring Subscription with 24/7 Monitoring for $5/month**
Provides Whole-home Smart Connectivity
Cutting-edge Sensing Technology Reduces False Alarms.***
Community Notes
About the Poster
Deal Details
Community Notes
About the Poster
https://www.costco.com/p/-/400042...007cb3
$20 OFF
$20 manufacturer's savings is valid 6/1/26 through 6/30/26. While supplies last.
Limit 10 per member.
Real-time Smoke and Carbon Monoxide Notifications in the Ring app
Over 25% Faster Smoke Detection*
Optional Ring Subscription with 24/7 Monitoring for $5/month**
Provides Whole-home Smart Connectivity
Cutting-edge Sensing Technology Reduces False Alarms.***
$20 OFF
$20 manufacturer's savings is valid 6/1/26 through 6/30/26. While supplies last.
Limit 10 per member.
Real-time Smoke and Carbon Monoxide Notifications in the Ring app
Over 25% Faster Smoke Detection*
Optional Ring Subscription with 24/7 Monitoring for $5/month**
Provides Whole-home Smart Connectivity
Cutting-edge Sensing Technology Reduces False Alarms.***
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6 Comments
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I'm only finding non smart units on Amazon currently with the UL certification prominently displayed in the listing. I had two more of the x-sense wi-fi units that I bought directly from xsense ready to install when I received the Amazon notification. I reached out to x-sense customers service if their unit was safe to use, and or were they working on getting the UL certification for that model.... nothing but crickets was their response.
Yep, Kidde smart models cost more but with a partnership with Ring you know they are UL-217 / Gen. 10 certified, FCC qualified and even Nanny State California Fire Marshall approved.
Wirecutter, a respected review website, rated the Kidde smart smoke / CO detector as best overall . They wouldn't test the x-sense unit due to no UL listing, no co detection and no Alexa, Apple, Google Home integration.
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