---
title: "Plug in Smoke and Carbon Monoxide Detector — $192K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/tools-home-improvement/plug-in-smoke-and-carbon-monoxide-detector"
last_updated: "2026-08-08T19:30:23.797Z"
locale: en
meta:
description: "Niche score 40/100 · $192K/yr market · 67K searches/yr · $40.87 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 40/100 · $192K/yr market · 67K searches/yr · $40.87 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Plug in Smoke and Carbon Monoxide Detector — $192K/yr Amazon US Niche (2026) - Flapen"
---
# **plug in smoke and carbon monoxide detector**
**Skip it**
Brand-locked demand (top 5 brands take 100% of clicks) — this niche doesn't clear our bar today.
Market size 38Growth 22Conversion 75Competition 29Returns 62Price range 95Avg price 95Brand share 0Review moat 23Quality gap 27
**Avg price**
**Incredible****$40.87**
avg listing price — sweet spot $15–$100
**Price range**
**Incredible****$20.99–$67.36**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Conversion**
**Great****7.0%**
search→purchase rate — share of searches ending in a sale
**Returns**
**Good****2.5%**
return rate — above 5% kills the launch gate
**Market size**
**Okay****$192K**
$192K/yr · 67K searches
**Competition**
**Okay****68%**
top-5 click share — leaders hold, buyers still browse
**Quality gap**
**Okay****4.6★**
avg incumbent rating — lower means beatable quality
**Review moat**
**Bad****7,160.35**
avg incumbent reviews — the moat a new listing must climb
**Growth**
**Bad****-5.2%**
90-day search growth — must beat 0% to launch
**Brand share**
**Bad****100%**
top-5 brand share — brand-locked demand
According to Flapen's Amazon United States niche tracking, plug in smoke and carbon monoxide detector is a $192K/yr Amazon United States market (67K searches/yr). The top 5 brands hold 100% of demand. Demand peaks in Jan. Verdict: Skip it — 40/100.
Data updated Jul 30, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **plug in smoke and carbon monoxide detector market data**
- **Units sold / yr**
- **6K–8K**
- avg 250–500/product
- **Revenue / yr**
- **$245K–$327K**
- units × avg price
- **Conversion rate**
- **7.0%**
- **Avg BSR**
- **#7**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **94%**
- **Out of stock**
- **2.6%**
- **Avg brand age**
- **1 months**
- **Avg seller age**
- **134 days**
## **Competition & brand share**
The top 5 products take 68% of clicks — established leaders, but buyers still shop beyond them.
**Brands**
**4 **▲rising
**Sellers**
**65**
**Top-5 brand share**
**100%**
Top 20: 100%
**Top-5 click share**
**68%**
Top 20: 100%
**Open market**
**0%**
- Kidde72% - First Alert25% - X-Sense2% - SITERWELL1%
## **Demand & seasonality**
Weekly Amazon search volume, last 87 weeks — -5.2% search growth over the last 90 days.
2K2KHoliday '24Spike '25Prime Day '25Black Friday '25Spike '26 seasonDecJanFebMarAprMayJunJulAugSepOctNovDecJanFebMarAprMayJun
Peak months: Jan · busiest ÷ quietest = 2.0×
[**Open Trend **](https://flapen.com/research/us/tools-home-improvement/plug-in-smoke-and-carbon-monoxide-detector/trend)
## **Top plug in smoke and carbon monoxide detector search terms**
- **plug in smoke and carbon monoxide detector**41K/yr+13.1%1.8% conv. - **kidde plug in carbon monoxide detector**9K/yr-15.8%13.5% conv. - **kidde carbon monoxide alarm plug in**5K/yr+16.5%21.3% conv. - **kidde carbon monoxide detectors plug in**9K/yr-68.5%14.0% conv. - **plug in co2 and smoke detector**3K/yr+27.4%3.9% conv. - **kidde carbon monoxide detector plug in wall**1K/yr-58.9%15.7% conv. - **carbon monoxide detectors/smoke alarm plug in**251/yr+57.1%3.0% conv. [**All search terms **](https://flapen.com/research/us/tools-home-improvement/plug-in-smoke-and-carbon-monoxide-detector/search-terms)
## **Top plug in smoke and carbon monoxide detector 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.
0%10%$19K20%$38K30%$58K40%$77K1001K10K100K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 17 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Kidde Carbon Monoxide Detector Plug-in Carbon Monoxide Detector with AA Battery Backup 85 dB Alarm LED Status Light Indicators 3rd Edition**Kidde**$31.64**4.8★1,208 rev](https://www.amazon.com/dp/B0DT1MYBNV) [2**First Alert Plug in Carbon Monoxide Alarm**First Alert**$24.05**4.7★23,005 rev](https://www.amazon.com/dp/B000ND74XA) [3**Kidde Carbon Monoxide Detector Plug-In with 9V Battery Backup Digital Display 85 dB Alarm LED Status Light Indicators 3rd Edition**Kidde**$39.14**4.7★27,258 rev](https://www.amazon.com/dp/B00002N86A) [4**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**$59.28**4.6★551 rev](https://www.amazon.com/dp/B0DT1MS1D1) [5**Kidde Carbon Monoxide Detector Plug-in & AA Battery Backup COPD**Kidde**$44.23**4.7★27,258 rev](https://www.amazon.com/dp/B0G1C86M5S)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Kidde Carbon Monoxide Detector Plug-in & AA Battery Backup COPD**Kidde**$44.23**27,258 rev5mo ago](https://www.amazon.com/dp/B0G1C86M5S) [**Kidde Carbon Monoxide Detector Plug-in & AA Battery Backup COP**Kidde**$34.76**1,208 rev5mo ago](https://www.amazon.com/dp/B0G1CPTKNQ) [**Kidde Carbon Monoxide Detector Plug-in Carbon Monoxide Detector with AA Battery Backup 85 dB Alarm LED Status Light Indicators 3rd Edition**Kidde**$31.64**1,208 rev1y ago](https://www.amazon.com/dp/B0DT1MYBNV) [**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**$59.28**551 rev1y ago](https://www.amazon.com/dp/B0DT1MS1D1) [**Kidde Carbon Monoxide Detector AA Battery Powered Portable for Travel or Home 85 dB Alarm LED Status Indicators 3rd Edition**Kidde**$22.91**1,663 rev1y ago](https://www.amazon.com/dp/B0DT1MGCKK)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Kidde Carbon Monoxide Detector Plug-in & AA Battery Backup COP**Kidde**$34.76**4.8★**▲ 138%**](https://www.amazon.com/dp/B0G1CPTKNQ) [**Kidde Carbon Monoxide Detector Plug-in & AA Battery Backup COPD**Kidde**$44.23**4.7★**▲ 130%**](https://www.amazon.com/dp/B0G1C86M5S) [**X-Sense Smoke Detector Carbon Monoxide Detector Combo SC07 1-Pack**X-Sense**$33.56**4.6★**▲ 129%**](https://www.amazon.com/dp/B09P52JX2R) [**First Alert Plug in Carbon Monoxide Alarm**First Alert**$67.36**4.7★**▲ 121%**](https://www.amazon.com/dp/B014KEPQLE) [**First Alert Battery Combination Smoke & Carbon Monoxide Alarm**First Alert**$40.00**4.5★**▲ 121%**](https://www.amazon.com/dp/B0CY3BZCX9)
**~~View all trending →~~**
## **What buyers say about plug in smoke and carbon monoxide detector**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Assembly/Installation**18%
*“Ease of installation”*
**Quality-Overall**13%
*“the overall build quality feels solid”*
**Advertised Vs Actual Product**11%
*“As advertised”*
**Value For Money**10%
*“Excellent value”*
**Ease Of Use**6%
*“Easy peasy”*
**Battery Life**4%
*“Batteries last a long time”*
**Efficiency**4%
*“Works perfect in my home daycare”*
**Sensor**4%
*“Overall, this is a straightforward and user-friendly detector with useful features and added convenience”*
**Security**3%
*“Security is important”*
**Size-Overall**2%
*“Fit right in the existing mount”*
### **What buyers complain about **
**Durability**18%
*“Failed in less than 3 months”*
**Battery Life**13%
*“Beeps as battery are low”*
**Noise Level**8%
*“began incredibly irritating beeping”*
**Functionality-Overall**7%
*“Does not work correctly”*
**Quality-Overall**6%
*“Poor quality control”*
**Value For Money**5%
*“Expensive I think”*
**Size-Overall**3%
*“The detector is bigger than I thought”*
**Alarm/Timer Accuracy**3%
*“it started false alarm”*
**Product Condition**2%
*“Very old product”*
**Assembly/Installation**2%
*“The item did NOT WORK when I tried to install it”*
### **Top return reasons **
**Alarm/Timer Accuracy**22%
**Functionality-Overall**10%
**Size-Overall**9%
**Advertised Vs Actual Product**9%
**Value For Money**8%
**Compatibility-Overall**8%
**Connectivity-Overall**7%
**Defective Material/Parts**5%
**Product Condition**3%
**Socket/Port/Plug**3%
## **Common questions**
- **Is plug in smoke and carbon monoxide detector profitable to sell on Amazon United States?**
- The niche generates $192K/yr across 17 tracked products. 2 of 2 products launched in the last 360 days are still selling. 90-day search growth is -5.2%. Flapen's verdict: Skip it (40/100).
- **How competitive is the plug in smoke and carbon monoxide detector niche?**
- 4 brands and 65 sellers compete. The top 5 products take 68% of clicks and top 5 brands hold 100% of demand.
- **What do buyers complain about in plug in smoke and carbon monoxide detector?**
- Top complaints mined from reviews: Durability, Battery Life, Noise Level. The return rate is 2.5%.
- **When does demand for plug in smoke and carbon monoxide detector peak?**
- Demand peaks in Jan; the busiest month runs 2.0× the quietest.
- **What does it cost to enter the plug in smoke and carbon monoxide detector niche?**
- Listings span $20.99–$67.36; the average listing price is $40.87 (sweet spot $15–$100). The average incumbent carries 7,160 reviews — the moat a new listing must climb.
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