smoke detector carbon monoxide detector combo wired
Skip itBrand-locked demand (top 5 brands take 98% of clicks) — this niche doesn't clear our bar today.
Avg price
Great$93.19avg listing price — sweet spot $15–$100
Quality gap
Good4.4★avg incumbent rating — lower means beatable quality
Conversion
Good5.2%search→purchase rate — share of searches ending in a sale
Review moat
Good1,105.4avg incumbent reviews — the moat a new listing must climb
Returns
Good2.9%return rate — above 5% kills the launch gate
Competition
Okay63%top-5 click share — leaders hold, buyers still browse
Price range
Okay$28.87–$245.32cheapest to priciest tracked listing — scored on the share inside $15–$100
Market size
Bad$59K$59K/yr · 12K searches
Growth
Bad-38.3%90-day search growth — must beat 0% to launch
Brand share
Bad98%top-5 brand share — brand-locked demand
According to Flapen's Amazon United States niche tracking, smoke detector carbon monoxide detector combo wired is a $59K/yr Amazon United States market (12K searches/yr). The top 5 brands hold 98% of demand. Demand peaks in Jan–Feb–Mar. Verdict: Skip it — 35/100.
Data updated Jul 30, 2026 · scored weekly · How we score niches
smoke detector carbon monoxide detector combo wired market data
- Units sold / yr
- 500–750
- avg 0–100/product
- Revenue / yr
- $47K–$70K
- units × avg price
- Conversion rate
- 5.2%
- Avg BSR
- #12
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 80%
- Out of stock
- 9.3%
- Avg brand age
- 69 months
- Avg seller age
- 141 days
Competition & brand share
The top 5 products take 63% of clicks — established leaders, but buyers still shop beyond them.Brands
3 falling
Sellers
141
Top-5 brand share
98%
Top 20: 98%
Top-5 click share
63%
Top 20: 100%
Open market
0%
- First Alert66%
- Kidde30%
- X-Sense2%
- --2%
Demand & seasonality
Weekly Amazon search volume, last 74 weeks — -38.3% search growth over the last 90 days.Peak months: Jan, Feb, Mar · busiest ÷ quietest = 2.1×
Top smoke detector carbon monoxide detector combo wired 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 20 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
First Alert Hardwire Combination Smoke & Carbon Monoxide Alarm
First Alert$50.544.5★1,569 rev
First Alert Hardwire Combination Smoke & Carbon Monoxide Alarm
First Alert$245.324.5★1,569 rev
First Alert Hardwire Combination Smoke & Carbon Monoxide Alarm
First Alert$141.744.5★1,569 rev
Kidde Smoke & CO Detector Hardwired & 10-Year Battery 30CUA10 3 Pack
Kidde$191.124.2★1,237 rev
Kidde Smoke & CO Detector Hardwired & 10-Year Battery 30CUA10-V 1 Pack
Kidde$63.524.2★1,653 rev
Newest
by launch dateKidde Smoke & CO Detector Hardwired & 10-Year Battery 30CUA10 3 Pack
Kidde$191.121,237 rev
Kidde Smoke Detector Hardwired & 10-Year Battery Backup 20SA10 3 Pack
Kidde$109.40153 rev
Kidde Smoke & Carbon Monoxide Detector AA Battery-Powered 30CUDR 3 Pack
Kidde$133.92654 rev
Kidde Hardwired Smoke & Carbon Monoxide Detector 10-Year Battery Backup Voice Alerts Interconnectable LED Warning Light Indicators 4 Pack
Kidde$218.37365 rev
Kidde Hardwired Smoke & Carbon Monoxide Detector AA Battery Backup Smoke Alarm Interconnectable LED Warning Light Indicators 2 Pack
Kidde$89.11888 rev
Trending
90-day click momentumKidde Smoke Detector Hardwired & 10-Year Battery Backup 20SA10 3 Pack
Kidde$109.404.4★
Kidde Smoke & Carbon Monoxide Detector AA Battery-Powered 30CUDR 3 Pack
Kidde$133.924.4★
BRK SC9120B Smoke and Carbon Monoxide Alarm
--$50.364.6★
Kidde Smoke & CO Detector Hardwired & AA Battery Backup 30CUAR 1 Pack
Kidde$61.704.2★
X-Sense Smoke Detector Carbon Monoxide Detector Combo SC07 1-Pack
X-Sense$33.564.6★
What buyers say about smoke detector carbon monoxide detector combo wired
What buyers praise and complain about, mined from review topics.What buyers love
“Easy to install and setup”
“Quality that's affordable”
“As described”
“Excellent Value”
“Work as advertised”
“Well Made and has long lasting battery”
“Easy peasy”
“CO detector is a definite plus”
“Everything fit exactly as needed”
“Alarm”
What buyers complain about
“Failed after about 12 months”
“Garbage Product”
“Battery was dead when received”
“Little expensive”
“began incredibly irritating beeping”
“Smoke alarm does not work”
“Doesnt work”
“Not compatible as claimed”
“I wanted something I could easily set up myself, this is not it”
“misleading pictures”
Top return reasons
Common questions
- Is smoke detector carbon monoxide detector combo wired profitable to sell on Amazon United States?
- The niche generates $59K/yr across 20 tracked products. 3 of 3 products launched in the last 360 days are still selling. 90-day search growth is -38.3%. Flapen's verdict: Skip it (35/100).
- How competitive is the smoke detector carbon monoxide detector combo wired niche?
- 3 brands and 141 sellers compete. The top 5 products take 63% of clicks and top 5 brands hold 98% of demand.
- What do buyers complain about in smoke detector carbon monoxide detector combo wired?
- Top complaints mined from reviews: Durability, Quality-Overall, Battery Life. The return rate is 2.9%.
- When does demand for smoke detector carbon monoxide detector combo wired peak?
- Demand peaks in Jan–Feb–Mar; the busiest month runs 2.1× the quietest.
- What does it cost to enter the smoke detector carbon monoxide detector combo wired niche?
- Listings span $28.87–$245.32; the average listing price is $93.19 (sweet spot $15–$100). The average incumbent carries 1,105 reviews — the moat a new listing must climb.