Carbon Monoxide Detector 2 Pack
FailDemand is soft, at -71.5% this quarter, so Carbon Monoxide Detector 2 Pack is a Fail.
- Flapen Score
- 41 / 100Ranks 1,774 of 2,225 DIY & Tools niches · −8 vs the category median of 4941
- Market size
- £99K/yr43K searches / yr
- 90-day growth
- -71.5%search demand this quarter
- Competition
- 78%top-5 click share · 8 brands · 24 sellers
Flapen Score
Carbon Monoxide Detector 2 Pack against its category
The dotted line is the DIY & Tools average. Past it, Carbon Monoxide Detector 2 Pack is stronger. Inside it, weaker.
Market
The Carbon Monoxide Detector 2 Pack market on Amazon at a glance
Shoppers on Amazon United Kingdom searched for Carbon Monoxide Detector 2 Pack 43K times last year and spent an estimated £99K. The top 5 brands take 92% of clicks. Demand peaks in Jan–Feb–Oct–Nov. Flapen scores it 41 out of 100, a Fail.
01 · Demand
An estimated 14.2% of those searches ended in a purchase.
Shoppers searched for this 43K times in the last 12 months. That counts every search on Amazon United Kingdom for this niche's terms. An estimated 14.2% of those searches ended in a purchase. Searches in the last 90 days moved -71.5% against the 90 days before. Searches, conversion and average price together put the market at an estimated £99K a year.
- Searches, last 12 months
- 43K
- Growth, 90 days vs prior 90
- -71.5%
- Conversion, latest week
- 14.2%
- Market size, estimated
- £99Ka year
- Peak month
- January4.5× the quietest month
- Top search term
- carbon monoxide detector 2 pack38K searches a year
02 · Price
A sale here is worth £16.13.
Listings sell for £16.13 on average, from £11.03 to £23.22. Amazon reports units sold in ranges. This niche sold 6K to 8K a year. The average listing sells 250 to 500 of them. At £16.13 that is £4K to £8K a year per listing.
- Average price
- £16.13inside the $15 to $100 sweet spot
- Price range
- £11.03–£23.22
- Amazon United Kingdom median price
- £12.12across 27,606 niches
- Units sold a year
- 6K–8K
- Units per listing a year
- 250–500
- Revenue per listing a year
- £4K–£8K
- Returns
- 0.4%of orders · Amazon United Kingdom median 0.6%
03 · Entry bar
The bar here is ads and reviews.
92% of listings pay for placement with sponsored ads. 85% ship with Prime. On an average day, 0.0% of listings are out of stock. The average listing ranks #26 within Safety & Security. It carries 2,371 reviews at 4.56 stars, so a new listing needs social proof before a better product.
- Sponsored listings
- 92%
- Prime listings
- 85%
- Out of stock, average day
- 0.0%
- Average rank
- #26in Safety & Security
- Average rating
- 4.56 starsAmazon United Kingdom average 4.36 stars
- Average reviews
- 2,371per listing
- Listings tracked
- 13
04 · Newcomers
2 of last year's 3 launches cleared the first-year sales bar.
3 products launched here in the last 12 months. 2 of them cleared the first-year sales bar, our mark for a successful launch. The brands on the shelf have sold for 33 months on average, so a newcomer is not facing entrenched names.
- Launched, last 12 months
- 3
- Successful launches
- 2Amazon's first-year sales bar
- Average brand age
- 33 months
Products
Top Carbon Monoxide Detector 2 Pack products & what they sell for
The products selling here, as shoppers see them on Amazon. Shelf share and sales are our estimates.
Prices and ratings read from Amazon on Jul 22, 2026. The live listing can differ.
Top sellers
by estimated 90-day click share
Twin Pack Kidde 5CO Battery Powered Carbon Monoxide Alarm and Detector - 10 Year Sensor Life with AA Batteries
- Price
- £20.01
- Rating
- 4.7/5
- Reviews
- 2,021
- Age
- 3y ago

2Pack Carbon Monoxide Detector Carbon Monoxide Alarm Battery Powered With Led Display Screen And 85 Decibel Sound And Light Alarm(Not included AAA Batteries)
- Price
- £12.84
- Rating
- 4.3/5
- Reviews
- 67
- Age
- 1y ago

FireAngel Carbon Monoxide Alarm and Detector - FA6813 10-Year Sensor Life CO Alarm for Home w/Batteries - Travel Portable Carbon Monoxide Detector - CO Detector Monitor w/Test Button - 2-Pack
- Price
- £23.22
- Rating
- 4.7/5
- Reviews
- 9,145
- Age
- 2y ago

X-Sense Carbon Monoxide Detector Replaceable Battery Powered CO Alarm with Digital Display Portable Carbon Monoxide Alarm for Home with CO Peak Value Memory XC0C-SR 2-Pack
- Price
- £18.51
- Rating
- 4.7/5
- Reviews
- 4,929
- Age
- 1y ago

Carbon Monoxide Detectors 2 Pack Fenary Carbon Monoxide Alarm Replaceable Battery Operated with LCD Digital Display CO Alarm Detector Monitor with Test Button for Home(Batteries NOT Included)
- Price
- £11.41
- Rating
- 4.4/5
- Reviews
- 186
- Age
- 1y ago
Trending
estimated 90-day click momentum
Carbon Monoxide Detector 2 Pack Battery Powered CO Alarm with LED Display 85 dB Audible EN50291 Standard Mini Portable Carbon Monoxide Alarm for Home and Car Safety (AAA Battery NOT Included)
- Price
- £18.27
- Rating
- 4.5/5
- Reviews
- 49
- Age
- 4mo ago

Carbon Monoxide Detector Carbon Monoxide Alarm With LED display CO Alarms Monitor for Home Safety Comply with EN50291 Standard (AA Battery NOT Included) (white)
- Price
- £12.78
- Rating
- 4.5/5
- Reviews
- 669
- Age
- 2y ago

2Pack Carbon Monoxide Detector Carbon Monoxide Alarm Battery Powered With Led Display Screen And 85 Decibel Sound And Light Alarm(Not included AAA Batteries)
- Price
- £12.84
- Rating
- 4.3/5
- Reviews
- 67
- Age
- 1y ago

X-Sense Carbon Monoxide Detector Replaceable Battery Powered CO Alarm with Digital Display Portable Carbon Monoxide Alarm for Home with CO Peak Value Memory XC0C-SR 2-Pack
- Price
- £18.51
- Rating
- 4.7/5
- Reviews
- 4,929
- Age
- 1y ago

Carbon Monoxide Detectors 2 Pack Fenary Carbon Monoxide Alarm Replaceable Battery Operated with LCD Digital Display CO Alarm Detector Monitor with Test Button for Home(Batteries NOT Included)
- Price
- £11.41
- Rating
- 4.4/5
- Reviews
- 186
- Age
- 1y ago
Newest
by launch date
Carbon Monoxide Detector 2 Pack Battery Powered CO Alarm with LED Display 85 dB Audible EN50291 Standard Mini Portable Carbon Monoxide Alarm for Home and Car Safety (AAA Battery NOT Included)
- Price
- £18.27
- Rating
- 4.5/5
- Reviews
- 49
- Age
- 4mo ago

2 Pack Carbon Monoxide Detectors - Carbon Monoxide Alarm Battery Powered CO Detectors with Digital Display for Home Easy to Install
- Price
- £19.04
- Rating
- 4.4/5
- Reviews
- 16
- Age
- 8mo ago

Carbon Monoxide Detector with Digital Display CO Alarm with Replaceable Battery - 10 Year Sensor Life Portable Carbon Monoxide Alarm for Home with Memory Alarm Function 1 Pack(White).
- Price
- £11.03
- Rating
- 4.7/5
- Reviews
- 610
- Age
- 11mo ago

2Pack Carbon Monoxide Detector Carbon Monoxide Alarm Battery Powered With Led Display Screen And 85 Decibel Sound And Light Alarm(Not included AAA Batteries)
- Price
- £12.84
- Rating
- 4.3/5
- Reviews
- 67
- Age
- 1y ago

Carbon Monoxide Detector 2 Pack Battery Operated Carbon Monoxide Alarm with LCD Digital Display EN 50291 CO Alarms Monitor for Home Safety (AA Battery NOT Included)
- Price
- £17.17
- Rating
- 4.4/5
- Reviews
- 435
- Age
- 1y ago
Competition
Competition: brands, sellers & click share
The top 5 products take an estimated 78% of clicks. A locked shelf that new listings rarely crack.
Brands
8 falling
Sellers
24
Est. top-5 brand share
92%
Top 20: 100%
Est. top-5 click share
78%
Top 20: 100%
Open market
4%
- Kidde37%
- Fenary22%
- Fireangel17%
- X-Sense8%
- USBNOVEL7%
- HOMELYLIFE4%
- Open — no brand owns it (2 brands, 4%)
Demand
Carbon Monoxide Detector 2 Pack search demand
Weekly searches over the year, seasonality beneath. Pick a range.
Peak months: Jan, Feb, Oct, Nov · busiest ÷ quietest = 4.5×
Reviews and returns
What reviews say buyers love and hate about Carbon Monoxide Detector 2 Pack
We read the reviews and the return reasons for every product selling here.
“AWFUL INSTRUCTIONS AND SERVICE”
Every topic
Every topic buyers talk about, one row each.
Red shows the share of negative reviews and green the share of positive reviews, biggest topic first. Open a row to read what they wrote.
19 topics
Keep looking
Related niches
Niches in the same category that score near this one. Research these next.
Best Flapen score
The highest-scoring niches we track right now, across every category.
FAQ
Common Carbon Monoxide Detector 2 Pack questions
Answered from the same tracked data.
Figures on this page are estimates modeled from public Amazon pages and third-party keyword data. Amazon does not supply them, and no connected seller's data is used. How we handle Amazon data








