room oxygen monitor
Skip itA small market ($30K/yr) — this niche doesn't clear our bar today.
Quality gap
Great4.3★avg incumbent rating — lower means beatable quality
Returns
Good2.1%return rate — above 5% kills the launch gate
Avg price
Good$116.21avg listing price — sweet spot $15–$100
Brand share
Good65%top-5 brand share — brands hold most of the demand
Competition
Good47%top-5 click share — leaders hold, buyers still browse
Review moat
Bad16,863.28avg incumbent reviews — the moat a new listing must climb
Growth
Bad-17.3%90-day search growth — must beat 0% to launch
Conversion
Bad0.9%search→purchase rate — share of searches ending in a sale
Price range
Bad$12.13–$715.41cheapest to priciest tracked listing — scored on the share inside $15–$100
Market size
Bad$30K$30K/yr · 28K searches
According to Flapen's Amazon United States niche tracking, room oxygen monitor is a $30K/yr Amazon United States market (28K searches/yr). The top 5 brands hold 65% of demand. Verdict: Skip it — 41/100.
Data updated Jul 30, 2026 · scored weekly · How we score niches
room oxygen monitor market data
- Units sold / yr
- 500–750
- avg 0–100/product
- Revenue / yr
- $58K–$87K
- units × avg price
- Conversion rate
- 0.9%
- Avg BSR
- #118
- Page quality
- 0%
- Prime
- 88%
- Sponsored
- 96%
- Out of stock
- 14.8%
- Avg brand age
- 46 months
- Avg seller age
- 165 days
Competition & brand share
The top 5 products take 47% of clicks — established leaders, but buyers still shop beyond them.Brands
17 rising
Sellers
51
Top-5 brand share
65%
Top 20: 100%
Top-5 click share
47%
Top 20: 96%
Open market
27%
- FORENSICS DETECTORS FD18%
- TOPTES15%
- ZYKYCX14%
- SQECH10%
- Wellue8%
- AIRNERGY8%
Demand
Weekly Amazon search volume, last 34 weeks — -17.3% search growth over the last 90 days.Top room oxygen monitor search terms
- room oxygen monitor16K/yr
- oxygen detector8K/yr
- oxygen meter air4K/yr
Top room oxygen monitor 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 24 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
ZYKYCX Portable Oxygen Detector 0-30% Rechargeable O2 Monitor with Sound Light Vibration Alarms Oxygen Air Quality Meter Measures Temperature & Humidity for Indoor Outdoor Use
ZYKYCX$58.284.0★59 rev
Oxygen Detector SQECH 7-in-1 Rechargeable Oxygen Monitor Measures CO/CO2/O2/Temperature/Humidity with Flashlight & SD Card Oxygen Meter with Alarm & 3.27 Display for Home Camping RV Travel
SQECH$78.253.8★13 rev
Wellue O2Ring-S Oxygen Monitor with Vibration Reminder Bluetooth Pulse Oximeter Tracks SPO2 and Pulse Rate 24 hrs Battery Life 4*10 Hours Built-in Memory Rechargeable Pulse Ox with Free PC & APP
Wellue$197.613.9★362 rev
7-in-1 Portable Oxygen Detector for Indoor and Outdoor 288H Standby O2 Detector with O2 Temperature Humidity Illumination Room Oxygen Monitor for Car RV Camping Travel (Orange)
AIRNERGY$68.375.0★5 rev
Oxygen Detector by Forensics | USA NIST Calibration & Certificate | Dust & Explosion Proof | USB Recharge | Sound Light and Vibration Alarms | 0-30% O2 |
FORENSICS DETECTORS FD$153.544.2★87 rev
Newest
by launch date
TopTes Guard-756 Upgraded Oxygen Detector 0-30% VOL Portable O2 Monitor 0.5s Fast Response Rechargeable O2 Gas Detector with Vibe Light & Sound Alarms Dust and Explosion Proof for Work Home
TOPTES$77.5579 rev
16-in-1 Air Quality Monitor Indoor 7 Smart Large Display 9 AQI+7 Alarm Alerts Real Time CO2 Formaldehyde TVOC PM2.5 PM10 Temperature & Humidity Portable Battery Powered Tester for Home Office
SUNANT$60.855 rev
Protmex 4-in-1 Air Quality Monitor Oxygen Detector with Barometric Pressure Temperature Humidity Digital Air Sensor with Real-Time Monitoring for Home Office Outdoor Camping Hiking Emergency
Protmex$58.650 rev
7-in-1 Portable Oxygen Detector for Indoor and Outdoor 288H Standby O2 Detector with O2 Temperature Humidity Illumination Room Oxygen Monitor for Car RV Camping Travel (Orange)
AIRNERGY$68.375 rev
Upgraded 10-in-1 Smart Air Quality Monitor Professional Indoor Air Test Kit for CO TVOC HCHO PM0.3-10 PM2.5 Temperature & AQI Home Car Pets Plants Hotels White
YISPK$28.0540 rev
Trending
90-day click momentum16-in-1 Air Quality Monitor Indoor 7 Smart Large Display 9 AQI+7 Alarm Alerts Real Time CO2 Formaldehyde TVOC PM2.5 PM10 Temperature & Humidity Portable Battery Powered Tester for Home Office
SUNANT$60.854.7★
Protmex 4-in-1 Air Quality Monitor Oxygen Detector with Barometric Pressure Temperature Humidity Digital Air Sensor with Real-Time Monitoring for Home Office Outdoor Camping Hiking Emergency
Protmex$58.650.0★
Upgraded 10-in-1 Smart Air Quality Monitor Professional Indoor Air Test Kit for CO TVOC HCHO PM0.3-10 PM2.5 Temperature & AQI Home Car Pets Plants Hotels White
YISPK$28.053.6★
TopTes Guard-756 Upgraded Oxygen Detector 0-30% VOL Portable O2 Monitor 0.5s Fast Response Rechargeable O2 Gas Detector with Vibe Light & Sound Alarms Dust and Explosion Proof for Work Home
TOPTES$77.554.6★
7-in-1 Portable Oxygen Detector for Indoor and Outdoor 288H Standby O2 Detector with O2 Temperature Humidity Illumination Room Oxygen Monitor for Car RV Camping Travel (Orange)
AIRNERGY$68.375.0★
What buyers say about room oxygen monitor
What buyers praise and complain about, mined from review topics.What buyers love
“EASY TO USE”
“Works Perfectly”
“like a great quality device”
“Accurate and easy”
“As advertised”
“Fair price”
“Easy oxygen monitor”
“Easy to read display”
“The battery life is really great”
“Very durable”
What buyers complain about
“Accuracy problems”
“NOT ACCURATE”
“Does not function well”
“Broke after a few uses”
“Weak Battery NG”
“I can't say if this is typical of product quality”
“Not Worth It”
“doesnt fit as snugly”
“not a great charge life”
“Screens are an issue”
Top return reasons
Common questions
- Is room oxygen monitor profitable to sell on Amazon United States?
- The niche generates $30K/yr across 25 tracked products. 0 of 6 products launched in the last 360 days are still selling. 90-day search growth is -17.3%. Flapen's verdict: Skip it (41/100).
- How competitive is the room oxygen monitor niche?
- 17 brands and 51 sellers compete. The top 5 products take 47% of clicks and top 5 brands hold 65% of demand.
- What do buyers complain about in room oxygen monitor?
- Top complaints mined from reviews: Measurement/Reading Accuracy, Accuracy-Overall, Functionality-Overall. The return rate is 2.1%.
- What does it cost to enter the room oxygen monitor niche?
- Listings span $12.13–$715.41; the average listing price is $116.21 (sweet spot $15–$100). The average incumbent carries 16,863 reviews — the moat a new listing must climb.