carbon monoxide detector plug in wall
Skip itBrand-locked demand (top 5 brands take 100% of clicks) — this niche doesn't clear our bar today.
Market size
Incredible$6.4M$6.4M/yr · 1.7M searches
Avg price
Incredible$37.06avg listing price — sweet spot $15–$100
Price range
Incredible$20.99–$67.36cheapest to priciest tracked listing — scored on the share inside $15–$100
Conversion
Great10.4%search→purchase rate — share of searches ending in a sale
Returns
Good2.0%return rate — above 5% kills the launch gate
Competition
Bad74%top-5 click share — a locked-up shelf
Review moat
Bad10,059.83avg incumbent reviews — the moat a new listing must climb
Quality gap
Bad4.7★avg incumbent rating — lower means beatable quality
Growth
Bad-38.8%90-day search growth — must beat 0% to launch
Brand share
Bad100%top-5 brand share — brand-locked demand
According to Flapen's Amazon United States niche tracking, carbon monoxide detector plug in wall is a $6.4M/yr Amazon United States market (1.7M searches/yr). The top 5 brands hold 100% of demand. Demand peaks in Jan–Feb–Mar. Verdict: Skip it — 48/100.
Data updated Jul 30, 2026 · scored weekly · How we score niches
carbon monoxide detector plug in wall market data
- Units sold / yr
- 200K–250K
- avg 15,000–20,000/product
- Revenue / yr
- $7.4M–$9.3M
- units × avg price
- Conversion rate
- 10.4%
- Avg BSR
- #11
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 83%
- Out of stock
- 5.6%
- Avg brand age
- 29 months
- Avg seller age
- 135 days
Competition & brand share
The top 5 products capture 74% of clicks — a locked-up shelf that new listings rarely crack.Brands
4 rising
Sellers
38
Top-5 brand share
100%
Top 20: 100%
Top-5 click share
74%
Top 20: 100%
Open market
0%
- First Alert48%
- Kidde41%
- SITERWELL7%
- VETOUCH4%
- Open — no brand owns it (0%)
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — -38.8% search growth over the last 90 days.Peak months: Jan, Feb, Mar · busiest ÷ quietest = 2.6×
Top carbon monoxide detector plug in wall search terms
- carbon monoxide detectors plug in1.1M/yr
- plug in carbon monoxide detector167K/yr
- co detector plug in95K/yr
- carbon monoxide detector plug in43K/yr
- co2 detector plug in wall50K/yr
- plug in co2 detector26K/yr
- carbon monoxide detector plug in wall26K/yr
- co2 detector plug in16K/yr
- carbon monoxide detectors plug in 2 pack20K/yr
- first alert co61515K/yr
Top carbon monoxide detector plug in wall products on Amazon
Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.
All 12 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
First Alert Plug in Carbon Monoxide Alarm
First Alert$24.054.7★23,005 rev
Kidde Carbon Monoxide Detector Plug-in Carbon Monoxide Detector with AA Battery Backup 85 dB Alarm LED Status Light Indicators 3rd Edition
Kidde$31.644.8★1,208 rev
Kidde Carbon Monoxide Detector Plug-In with 9V Battery Backup Digital Display 85 dB Alarm LED Status Light Indicators 3rd Edition
Kidde$39.144.7★27,258 rev
SITERWELL Plug in Carbon Monoxide Detector 10 Year Battery CO Alarm Detectors with Electrochemical Sensor and Sound Warning AC Powered Portable Carbon Monoxide Detector for Home Office Travel 1-Pack
SITERWELL$20.994.7★399 rev
First Alert Plug in Carbon Monoxide Alarm
First Alert$67.364.7★23,005 rev
Newest
by launch date
Kidde Carbon Monoxide Detector Plug-in & AA Battery Backup COP
Kidde$34.761,208 rev
Kidde Carbon Monoxide Detector Plug-in & AA Battery Backup COPD
Kidde$44.2327,258 rev
Kidde Carbon Monoxide Detector Plug-in Carbon Monoxide Detector with AA Battery Backup 85 dB Alarm LED Status Light Indicators 3rd Edition
Kidde$31.641,208 rev
Kidde Carbon Monoxide Detector AA Battery Powered Portable for Travel or Home 85 dB Alarm LED Status Indicators 3rd Edition
Kidde$22.911,663 rev
Kidde Carbon Monoxide + Explosive Gas Natural Gas & Propane Alarm Plug-in with 9V Battery Backup Digital Display 85 dB Alarm LED Status Indicators 3rd Edition
Kidde$59.28551 rev
Trending
90-day click momentum
VETOUCH Plug in CO2 Detector Wall 3-in-1 Air Quality Monitor CO2 Alarm Digital Display CO2 Monitor Household Temp Humidity Meter Real-Time CO2 Level Sensor Alert for Home Office School Garage
VETOUCH$36.894.1★
Kidde Carbon Monoxide Detector Plug-in & AA Battery Backup COP
Kidde$34.764.8★
Kidde Carbon Monoxide Detector Plug-in & AA Battery Backup COPD
Kidde$44.234.7★
First Alert Plug in Carbon Monoxide Alarm
First Alert$67.364.7★
First Alert Plug in Carbon Monoxide Alarm
First Alert$24.054.7★
What buyers say about carbon monoxide detector plug in wall
What buyers praise and complain about, mined from review topics.What buyers love
“Easy install”
“the overall build quality feels solid”
“Excellent value”
“As advertised”
“Easy peasy”
“effective”
“Batteries last a long time”
“Superb Detector”
“Keeps you safe”
“seems fairly durable”
What buyers complain about
“Beeps as battery are low”
“Failed in less than 3 months”
“This is loud”
“Does not work correctly”
“VERY POOR quality control”
“The detector is bigger than I thought”
“got no reading”
“just knock a $1 off the price”
“Event of carbon monoxide leak from gas furnace”
“It was used”
Top return reasons
Common questions
- Is carbon monoxide detector plug in wall profitable to sell on Amazon United States?
- The niche generates $6.4M/yr across 12 tracked products. 2 of 2 products launched in the last 360 days are still selling. 90-day search growth is -38.8%. Flapen's verdict: Skip it (48/100).
- How competitive is the carbon monoxide detector plug in wall niche?
- 4 brands and 38 sellers compete. The top 5 products take 74% of clicks and top 5 brands hold 100% of demand.
- What do buyers complain about in carbon monoxide detector plug in wall?
- Top complaints mined from reviews: Battery Life, Durability, Noise Level. The return rate is 2.0%.
- When does demand for carbon monoxide detector plug in wall peak?
- Demand peaks in Jan–Feb–Mar; the busiest month runs 2.6× the quietest.
- What does it cost to enter the carbon monoxide detector plug in wall niche?
- Listings span $20.99–$67.36; the average listing price is $37.06 (sweet spot $15–$100). The average incumbent carries 10,060 reviews — the moat a new listing must climb.