First Alert CO5120BN White Digital Display Hardwired Battery, Electrochemical Carbon Monoxide Alarm
- Brand:
- First Alert
- Model Number:
- CO5120BN
- UPC:
- 029054856173
- EAN:
- 0029054856173
- ASIN:
- B000H2673K
- Walmart SKU:
- 21802772
Key Takeaway
Market direction turned upward today with current $43.00 representing 2.6% over standard pricing.
Third-Party Seller Summary
No price history available for Third-Party Sellers
Walmart.com Summary
| Price Type | Price | Date |
|---|---|---|
|
Highest Price
|
$43.00 | |
|
Lowest Price
|
$36.99 | |
|
Most Recent Price
|
$43.00 |
- Average Price
- $41.92
- First Tracked
- Last Update
Price Analysis
Tracking History: We have tracked First Alert CO5120BN White Digital Display Hardwired Battery, Electrochemical Carbon Monoxide Alarm since 3/11/2026. The most recent price update was on Jun 6, 2026.
Price Range: Over the past 90 days, the price has ranged from $36.99 (lowest on 3/11/2026) to $43.00 (highest on 6/6/2026). The average price during this period is $41.92.
Current Trend: Walmart.com prices have ranged from $36.99 (Mar 11) to $43.00 (Jun 6) over the past 90 days. Current price is close to the 90-day average of $41.92.
Customer Insights: Rated 4.8/5 from 5 reviews.
Customer Reviews
5 reviewsCustomer Reviews
4.8
Based on 5 reviews
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Showing 2 of 5 reviews
replacing old alarm
This is a replacement alarm. It seems to be working as advertised. It was very easy to replace old alarm. I just unplugged old unit and plugged new unit
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Yes I would buy it again when the other one breaks
It was exactly what I was looking for very quick shipping also [This review was collected as part of a promotion.]
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Price History
Recent Price Changes
Detailed price history for the past 90 days
Walmart.com Pricing
7 recordsWalmart.com prices have ranged from $36.99 (Mar 11) to $43.00 (Jun 6) over the past 90 days. Current price is close to the 90-day average of $41.92.
| Date | Price | Change | % Change |
|---|---|---|---|
| $43.00 | $+1.01 | +2.4% | |
| $41.99 | $-0.88 | -2.1% | |
| $42.87 | $+0.00 | +0.0% | |
| $42.87 | $+0.00 | +0.0% | |
| $42.87 | $+0.00 | +0.0% | |
| $42.87 | $+5.88 | +15.9% | |
| $36.99 | — | — |
No third-party seller price history available for this product in the past 90 days.
