---
title: "Plug in Smoke Detector — $6.2M/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/tools-home-improvement/plug-in-smoke-detector"
last_updated: "2026-08-06T03:43:18.825Z"
locale: en
meta:
  description: "Niche score 59/100 · $6.2M/yr market. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
  "og:description": "Niche score 59/100 · $6.2M/yr market. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
  "og:title": "Plug in Smoke Detector — $6.2M/yr Amazon US Niche (2026) - Flapen"
---

# **plug in smoke detector**

**Worth a look**

Shows a $6.2M/yr market, but a failed launch gate (market size, growth, or returns) keeps it on the watch list.

Market size 99Growth 20Conversion 83Competition 84Returns 72Price range 44Avg price 92Brand share 0Review moat 25Quality gap 48

**Market size**

**Incredible****$6.2M**

$6.2M/yr · 1.3M searches

**Avg price**

**Great****$53.65**

avg listing price — sweet spot $15–$100

**Competition**

**Great****31%**

top-5 click share — an open shelf

**Conversion**

**Great****9.0%**

search→purchase rate — share of searches ending in a sale

**Returns**

**Good****2.1%**

return rate — above 5% kills the launch gate

**Quality gap**

**Okay****4.5★**

avg incumbent rating — lower means beatable quality

**Price range**

**Okay****$16.54–$205.40**

cheapest to priciest tracked listing — scored on the share inside $15–$100

**Review moat**

**Bad****4,564.4**

avg incumbent reviews — the moat a new listing must climb

**Growth**

**Bad****-10.0%**

90-day search growth — must beat 0% to launch

**Brand share**

**Bad****100%**

top-5 brand share — brand-locked demand

**Signals**[** High Price**](https://flapen.com/research/niches?market=us&signal=high_price "Avg price > $50")

According to Flapen's Amazon United States niche tracking, plug in smoke detector is a $6.2M/yr Amazon United States market (1.3M searches/yr). The top 5 brands hold 100% of demand. Demand peaks in Jun–Jul. Verdict: Worth a look — 59/100.

Data updated Jul 30, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)

## **plug in smoke detector market data**

<dl>

<dt>**Units sold / yr**</dt><dd>**125K–150K**</dd><dd>avg 3,000–4,000/product</dd>

<dt>**Revenue / yr**</dt><dd>**$6.7M–$8.0M**</dd><dd>units × avg price</dd>

<dt>**Conversion rate**</dt><dd>**9.0%**</dd>

<dt>**Avg BSR**</dt><dd>**#67**</dd>

<dt>**Page quality**</dt><dd>**0%**</dd>

<dt>**Prime**</dt><dd>**94%**</dd>

<dt>**Sponsored**</dt><dd>**83%**</dd>

<dt>**Out of stock**</dt><dd>**3.5%**</dd>

<dt>**Avg brand age**</dt><dd>**43 months**</dd>

<dt>**Avg seller age**</dt><dd>**133 days**</dd>

</dl>

## **Competition & brand share**

Clicks spread well past the top 5 (31% combined) — an open shelf where new products get seen.

**Brands**

**4 **—flat

**Sellers**

**150**

**Top-5 brand share**

**100%**

Top 20: 100%

**Top-5 click share**

**31%**

Top 20: 78%

**Open market**

**0%**

- Kidde81% - First Alert18% - Hunter1% - VARMILO1%

## **Demand & seasonality**

Weekly Amazon search volume, last 104 weeks — -10.0% search growth over the last 90 days.

25K15KSpike '24Spike '25Prime Day '25Spike '26Prime Day '26 seasonSepDecMarJunAugNovMarMay

Peak months: Jun, Jul · busiest ÷ quietest = 6.4×

[**Open Trend **](https://flapen.com/research/us/tools-home-improvement/plug-in-smoke-detector/trend)

## **Top plug in smoke detector search terms**

- **kidde smoke detector**321K/yr-3.7%6.1% conv. - **kidde carbon monoxide detector**199K/yr-26.4%12.4% conv. - **first alert carbon monoxide detector**153K/yr-25.3%14.8% conv. - **kidde smoke detector hardwired**97K/yr-11.9%5.3% conv. - **kidde smoke alarm**97K/yr-13.7%4.0% conv. - **kidde carbon monoxide alarm**65K/yr-21.0%9.5% conv. - **kidde smoke detector 10 year battery**29K/yr+135.5%8.0% conv. - **plug in smoke and carbon monoxide detector**41K/yr+13.1%1.5% conv. - **plug in smoke detector**51K/yr-0.8%1.3% conv. - **first alert carbon monoxide alarm**41K/yr-8.8%9.6% conv. [**All search terms **](https://flapen.com/research/us/tools-home-improvement/plug-in-smoke-detector/search-terms)

## **Top plug in smoke 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%3%$187K6%$374K9%$562K12%$749K1001K10K100K Reviews — right = deep review moatMarket share (90d) ≈ est. sales

Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 24 tracked products in this niche — three views at once, no toggling.

### **Top sellers**

by 90-day click share

[1![Kidde Smoke Detector 10-Year Battery-Powered 20SD10 1 Pack](https://m.media-amazon.com/images/I/41uzWfd87+L.jpg)**Kidde Smoke Detector 10-Year Battery-Powered 20SD10 1 Pack**Kidde**$29.55**4.1★1,485 rev](https://www.amazon.com/dp/B0CX6PRPGY) [2![Kidde Smoke Detector AA Battery-Powered 20SDR 1 Pack](https://m.media-amazon.com/images/I/41eLduw9lXL.jpg)**Kidde Smoke Detector AA Battery-Powered 20SDR 1 Pack**Kidde**$28.88**4.4★643 rev](https://www.amazon.com/dp/B0CX6RMV4B) [3![First Alert Plug in Carbon Monoxide Alarm](https://m.media-amazon.com/images/I/31xKO7zoB2L.jpg)**First Alert Plug in Carbon Monoxide Alarm**First Alert**$24.05**4.7★23,005 rev](https://www.amazon.com/dp/B000ND74XA) [4![Kidde Carbon Monoxide Detector Plug-in Carbon Monoxide Detector with AA Battery Backup 85 dB Alarm LED Status Light Indicators 3rd Edition](https://m.media-amazon.com/images/I/31mXEemITDL.jpg)**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) [5![Kidde Smoke Detector Hardwired with AA Battery Backup 20SAR 1 Pack](https://m.media-amazon.com/images/I/31H9z5R+RcL.jpg)**Kidde Smoke Detector Hardwired with AA Battery Backup 20SAR 1 Pack**Kidde**$32.33**4.2★589 rev](https://www.amazon.com/dp/B0CX6C1JHJ)

**~~View all top sellers →~~**

### **Newest**

by launch date

[![Kidde Smoke Detector Hardwired & 10-Year Battery Backup 20SA10 3 Pack](https://m.media-amazon.com/images/I/31oYK-THv+L.jpg)**Kidde Smoke Detector Hardwired & 10-Year Battery Backup 20SA10 3 Pack**Kidde**$109.40**153 rev10mo ago](https://www.amazon.com/dp/B0FFVNVG4M) [![Kidde Smoke Detector 10-Year Battery-Powered 20SD10 3 Pack](https://m.media-amazon.com/images/I/31hdqm1wm-L.jpg)**Kidde Smoke Detector 10-Year Battery-Powered 20SD10 3 Pack**Kidde**$94.19**1,485 rev10mo ago](https://www.amazon.com/dp/B0FFVHYNL6) [![Kidde Smoke Detector Hardwired with AA Battery Backup 20SAR 3 Pack](https://m.media-amazon.com/images/I/31eGh0uDq3L.jpg)**Kidde Smoke Detector Hardwired with AA Battery Backup 20SAR 3 Pack**Kidde**$88.04**589 rev10mo ago](https://www.amazon.com/dp/B0FFVRMPZH) [![Kidde Carbon Monoxide Detector Plug-in Carbon Monoxide Detector with AA Battery Backup 85 dB Alarm LED Status Light Indicators 3rd Edition](https://m.media-amazon.com/images/I/31mXEemITDL.jpg)**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 Detector AA Battery Powered Portable for Travel or Home 85 dB Alarm LED Status Indicators 3rd Edition](https://m.media-amazon.com/images/I/31brJMbGEwL.jpg)**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 Smoke Detector Hardwired & 10-Year Battery Backup 20SA10 3 Pack](https://m.media-amazon.com/images/I/31oYK-THv+L.jpg)**Kidde Smoke Detector Hardwired & 10-Year Battery Backup 20SA10 3 Pack**Kidde**$109.40**4.4★**▲ 130%**](https://www.amazon.com/dp/B0FFVNVG4M) [![Kidde Smoke Detector 10-Year Battery-Powered 20SD10 3 Pack](https://m.media-amazon.com/images/I/31hdqm1wm-L.jpg)**Kidde Smoke Detector 10-Year Battery-Powered 20SD10 3 Pack**Kidde**$94.19**4.1★**▲ 126%**](https://www.amazon.com/dp/B0FFVHYNL6) [![Kidde AC Hardwired Interconnect Smoke Detector Alarm with Hush | Model I12040](https://m.media-amazon.com/images/I/41dTyLrm0pL.jpg)**Kidde AC Hardwired Interconnect Smoke Detector Alarm with Hush | Model I12040**Kidde**$51.64**4.5★**▲ 124%**](https://www.amazon.com/dp/B00PC5SKS2) [![Kidde Smoke Detector Hardwired & 10-Year Battery Backup 20SA10-V 1 Pack](https://m.media-amazon.com/images/I/41PEnsiw0aL.jpg)**Kidde Smoke Detector Hardwired & 10-Year Battery Backup 20SA10-V 1 Pack**Kidde**$43.06**4.3★**▲ 117%**](https://www.amazon.com/dp/B0D5T3FGWD) [![Kidde Smoke Detector Hardwired with AA Battery Backup 20SAR 3 Pack](https://m.media-amazon.com/images/I/31eGh0uDq3L.jpg)**Kidde Smoke Detector Hardwired with AA Battery Backup 20SAR 3 Pack**Kidde**$88.04**4.2★**▲ 110%**](https://www.amazon.com/dp/B0FFVRMPZH)

**~~View all trending →~~**

## **What buyers say about plug in smoke detector**

What buyers praise and complain about, mined from review topics.

### **What buyers love **

**Assembly/Installation**21%

*“Esay install”*

**Quality-Overall**12%

*“Great quality product exactly as described”*

**Value For Money**9%

*“Great deal”*

**Advertised Vs Actual Product**8%

*“Better Than Expected”*

**Battery Life**5%

*“Batteries last a long time”*

**Ease Of Use**5%

*“Ease of use”*

**Efficiency**5%

*“Unit works fine”*

**Sensor**3%

*“Great detector”*

**Alarm/Timer Accuracy**3%

*“Great alarm -”*

**Size-Overall**3%

*“Exact Fit”*

### **What buyers complain about **

**Durability**18%

*“Failed after about 12 months”*

**Battery Life**15%

*“Low battery life”*

**Functionality-Overall**8%

*“Did not work”*

**Quality-Overall**8%

*“Poor quality control”*

**Noise Level**7%

*“Very loud”*

**Value For Money**5%

*“just knock a $1 off the price”*

**Alarm/Timer Accuracy**4%

*“Alarm activates for no apparent reason”*

**Size-Overall**2%

*“Small”*

**Advertised Vs Actual Product**2%

*“FALSE ADVERTISING”*

**Assembly/Installation**2%

*“Too hard to install”*

### **Top return reasons **

**Alarm/Timer Accuracy**15%

**Compatibility-Overall**13%

**Size-Overall**11%

**Functionality-Overall**10%

**Advertised Vs Actual Product**10%

**Connectivity-Overall**10%

**Value For Money**7%

**Defective Material/Parts**4%

**Socket/Port/Plug**3%

**Product Condition**3%

## **Common questions**

<dl>

<dt>**Is plug in smoke detector profitable to sell on Amazon United States?**</dt><dd>The niche generates $6.2M/yr across 47 tracked products. 6 of 7 products launched in the last 360 days are still selling. 90-day search growth is -10.0%. Flapen's verdict: Worth a look (59/100).</dd>

<dt>**How competitive is the plug in smoke detector niche?**</dt><dd>4 brands and 150 sellers compete. The top 5 products take 31% of clicks and top 5 brands hold 100% of demand.</dd>

<dt>**What do buyers complain about in plug in smoke detector?**</dt><dd>Top complaints mined from reviews: Durability, Battery Life, Functionality-Overall. The return rate is 2.1%.</dd>

<dt>**When does demand for plug in smoke detector peak?**</dt><dd>Demand peaks in Jun–Jul; the busiest month runs 6.4× the quietest.</dd>

<dt>**What does it cost to enter the plug in smoke detector niche?**</dt><dd>Listings span $16.54–$205.40; the average listing price is $53.65 (sweet spot $15–$100). The average incumbent carries 4,564 reviews — the moat a new listing must climb.</dd>

</dl>

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