USI Carbon Monoxide Smart Alarm

Up to 38% Off
Discount 38%
Over 730 bought
$44.97
no longer available

Product Details


USI Home Carbon Monoxide Alarms

Carbon Monoxide Smart Alarm with Sealed Battery
  • Alarm keeps a nose out for deadly, odorless carbon monoxide
  • Microprocessor intelligence works to eliminate false positives, saving you and the fire department time and aggravation
  • Battery is sealed and will never need to be replaced
  • Mount on wall or stand on table top
  • Designed to last at least 10 years
  • Dimensions: 2.5”x6.5”x8.38”
  • Weight: 0.48lb.
Carbon Monoxide and Natural Gas Smart Alarm
  • Alarm senses both carbon monoxide leaks and natural gas (methane) leaks
  • Microprocessor intelligence works to eliminate false positives, saving you and the fire department time and aggravation
  • Plugs into and covers one outlet
  • Silence/test button
  • Backup battery included; warning sounds when it needs replacement (normally after seven years)
  • Dimensions: 2.5”x6.5”x8.38”
  • Weight: 0.48lb.

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The Fine Print


Customer Reviews

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USI Carbon Monoxide Smart Alarm

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R Verified Purchaser
Apr 21st, 2018
10 year warranty - I thought this was a plug in to the wall unit, but it has a 10 year battery instead - will need to wait 9 years to give it a review = too early at this point. I am just concerned the battery will fail before the time is up.
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Renee Verified Purchaser
Mar 10th, 2018
This system went off at all hours of the day and night. Called fire department repeatedly because it would go off and I would have to evacuate everyone out of the house. Fire dept got tired of coming out and said the alarm was defective. Groupon would not do a refund and neither would the company. Big waste of money.
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Dianne Verified Purchaser
Feb 6th, 2018
Love that it sets on a table and blend with the stuff around it.
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Tom Verified Purchaser
Jan 5th, 2018
I purchased two devices. One still works ( I’m hoping) and 2nd one lasted a year then started beeping continuously when battery is installed no matter what the environment.
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Allison Verified Purchaser
Dec 13th, 2017
Love that it will last for ten years. Bought two of them!
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Paula Verified Purchaser
Oct 26th, 2017
Easy to set up . I left a star because, who knows how it really works until it is needed.
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Nick Verified Purchaser
Aug 29th, 2017
So far so good. I'll let you know in 10 years when the battery dies
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Torra Verified Purchaser
Jul 25th, 2017
Sent expired one
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David Verified Purchaser
Jul 19th, 2017
Well, I'm not dead yet, so I can only assume it's doing the job it was designed to do!
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Wayne Verified Purchaser
Mar 5th, 2017
Easy to place...no hassle at all.
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1 person found this review helpful
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