Kidde Nighthawk Plug-In AC/DC Carbon Monoxide Alarm Detector with Digital Display KN-COPP-3 price history and forecast - Kidde KN-COPP-3
Kidde Nighthawk Plug-In AC/DC Carbon Monoxide Alarm Detector with Digital Display KN-COPP-3

Kidde Nighthawk Plug-In AC/DC Carbon Monoxide Alarm Detector with Digital Display KN-COPP-3

Brand:
Kidde
Model Number:
KN-COPP-3
UPC:
047871322831
EAN:
0047871322831
Walmart SKU:
2483479066
Key Takeaway

Recent downward movement established $42.94 pricing, now 0.0% below the quarterly average.

Third-Party Seller Summary

No price history available for Third-Party Sellers

Walmart.com Summary

Walmart.com Price History Summary
Price Type Price Date
Highest Price
$42.94
Lowest Price
$42.94
Most Recent Price
$42.94
Average Price
$42.94
First Tracked
Last Update

Price Analysis

Tracking History: We have tracked Kidde Nighthawk Plug-In AC/DC Carbon Monoxide Alarm Detector with Digital Display KN-COPP-3 since 12/30/2024. The most recent price update was on Jun 6, 2026.

Price Range: Over the past 90 days, the price has ranged from $42.94 (lowest on 12/30/2024) to $42.94 (highest on 12/30/2024). The average price during this period is $42.94.

Current Trend: Walmart.com prices have ranged from $42.94 (Jun 6) to $42.94 (Jun 6) over the past 90 days. Current price is close to the 90-day average of $42.94.

Customer Insights: Rated 4.5/5 from 266 reviews.

Customer Reviews

266 reviews

Customer Reviews

4.5
Based on 266 reviews
5
213
4
26
3
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6
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17
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Showing 10 of 266 reviews
Cecilie December 31, 2025

I found out how ignorant I have become again. Tending to think of these meeters as non-exhaustable. I was WRONG! I learned these carbon monoxide detectors do expire. Essential for my life style, I must have a reliable product. I replaced two of these alarms. My worries are now assauged. I certainly sleep better each night. HIGHLY, HIGHLY recommended. These are lifesaving devices which we should be tenacious about expiration dates as we are for a carton of milk.

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Works great, digital readout is a great comfort

Jordan October 24, 2024

I worry a lot about CO poisoning with my family as we have gas heat, hot water and oven, along with fireplaces. I would never buy a detector without the digital readout again. It's good peace of mind since it can show you elevated CO levels well before they get to problematic levels and before they reach sustained levels that would cause other detectors to start alerting.

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puddytatz April 20, 2026

These are simple to use. I like the numeric display. We had a generator installed, so it is reassuring to see the zero on the monitor. We have plugged them into wall outlets. They are large, but I plug them into the bottom outlets and can still use the top if needed.

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Very High Quality from a Reliable Brand

101010101010100110 November 1, 2025

Thus model replaces a Kidde that had reached its service limit. Unusual in my life experience, this one seems to be of higher quality than the previous one, even though the previous one seemed well made. The Kiddes have always been made of heavy duty parts, which is why I favor them. You want them to serve for their full service limit.

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Great unit that preforms as promised

John April 5, 2025

This is a great Co2 detector. They last for 10 years from date of first use so I am replacing my old unit that just expired, with an identical new unit. The permanent bright display is always visible and east to read. Very reliable unit that every home should have. Can be installed in 5 minutes and easy to test monthly.

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Dan February 2, 2026

The product does exactly as was described. There's a piece of mind we have knowing that our family can be alerted to the potential threat of noxious gases in our home. We trust the Kiddie line of products for the dependability they provide.

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WalmartCustomer October 26, 2025

It's actually my first time purchasing a carbon monoxide detector. I checked other places for this particular one. I could only find it at Walmart. I read the reviews first.

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Ed February 8, 2026

Fantastic product. For me the more dense texture makes this top notch in my book. Other breads seem too airy.

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Missing parts, won't work without

K December 7, 2024

Upon arriving home after pickup, I opened the box (which already looked tampered with) to find the 9v battery missing. Went to plug in the alarm to find out it will flash lb (low battery) and continuously beep unless you have the battery installed. The box and instructions state “battery included”. Disappointing.

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KIDDIE CO ALARM

Mary April 11, 2026

THE ITEM ARRIVED IN A USED PLASTIC BAG(IT WAS CLOUDY)- THERE WAS NO BOX,NO INSTRUCTIONS, AND NO BATTERY. I HAD ORDERED 1 PRIOR TO THIS AND IT CAME IN A BOX WITH INSTRUCTIONS, AND A 9V BATTERY. THIS LAST ONE MUST HAVE BEEN USED AND RETURNED. I WAS VERY HAPPY WITH MY FIRST ORDER OF THE CO MONITOR , SO ORDERED A SECOND ONE. THIS ONE WORKS FINE JUST VERY DISAPPOINTED IN HOW IT WAS SHIPPED

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Price History

Historical price data graph for Kidde Nighthawk Plug-In AC/DC Carbon Monoxide Alarm Detector with Digital Display KN-COPP-3

Recent Price Changes

Detailed price history for the past 90 days

Walmart.com Pricing

6 records

Walmart.com prices have ranged from $42.94 (Jun 6) to $42.94 (Jun 6) over the past 90 days. Current price is close to the 90-day average of $42.94.

Walmart.com price history for Kidde Nighthawk Plug-In AC/DC Carbon Monoxide Alarm Detector with Digital Display KN-COPP-3 showing recent price changes over the past 90 days
Date Price Change % Change
$42.94 $+0.00 +0.0%
$42.94 $+0.00 +0.0%
$42.94 $+0.00 +0.0%
$42.94 $+0.00 +0.0%
$42.94 $+0.00 +0.0%
$42.94
No third-party seller price history available for this product in the past 90 days.

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