- Flapen Score
- 48 / 100Ranks 4,568 of 9,536 Tools & Home Improvement niches · on the category median48
- Market size
- $472K/yr88K searches / yr
- 90-day growth
- -18.5%search demand this quarter
- Competition
- 70%top-5 click share · 7 brands · 44 sellers
Flapen Score
H2s Monitor against its category
The dotted line is the Tools & Home Improvement average. Past it, H2s Monitor is stronger. Inside it, weaker.
Market
The H2s Monitor market on Amazon at a glance
Shoppers on Amazon United States searched for H2s Monitor 88K times last year and spent an estimated $472K. The top 5 brands take 96% of clicks. Flapen scores it 48 out of 100, a Fail.
01 · Demand
5.7% of searches ended in a purchase last week.
Shoppers searched for this 88K times in the last 12 months. That counts every search on Amazon United States for this niche's terms. In the latest week, 5.7% of those searches ended in a purchase. Searches in the last 90 days moved -18.5% against the 90 days before. Searches, conversion and average price together put the market at an estimated $472K a year.
- Searches, last 12 months
- 88K
- Growth, 90 days vs prior 90
- -18.5%
- Conversion, latest week
- 5.7%
- Market size, estimated
- $472Ka year
- Peak month
- February1.3× the quietest month
- Top search term
- h2s monitor57K searches a year
02 · Price
A sale here is worth $94.82.
Listings sell for $94.82 on average, from $45.04 to $222.25. Amazon reports units sold in ranges. This niche sold 10K to 13K a year. The average listing sells 500 to 750 of them. At $94.82 that is $47K to $71K a year per listing.
- Average price
- $94.82inside the $15 to $100 sweet spot
- Price range
- $45.04–$222.25
- Amazon United States median price
- $24.38across 115,062 niches
- Units sold a year
- 10K–13K
- Units per listing a year
- 500–750
- Revenue per listing a year
- $47K–$71K
- Returns
- 1.7%of orders · Amazon United States median 2.1%
03 · Entry bar
The bar here is ads.
100% of listings pay for placement with sponsored ads. 86% ship with Prime. On an average day, 16.7% of listings are out of stock. The average listing ranks #110 within Household Sensors & Alarms. It carries 228 reviews at 4.31 stars, so a new listing needs social proof before a better product.
- Sponsored listings
- 100%
- Prime listings
- 86%
- Out of stock, average day
- 16.7%
- Average rank
- #110in Household Sensors & Alarms
- Average rating
- 4.31 starsAmazon United States average 4.42 stars
- Average reviews
- 228per listing
- Listings tracked
- 14
04 · Newcomers
Amazon counts 0 of last year's 1 launches as successful.
1 products launched here in the last 12 months. Amazon counts 0 of them as successful launches, new products that hit its first-year sales bar. The brands on the shelf have sold for 38 months on average, so the names here are settling in.
- Launched, last 12 months
- 1
- Successful launches
- 0Amazon's first-year sales bar
- Average brand age
- 38 months
Products
Top H2s Monitor products & what they sell for
Every tracked product: its share of the shelf, its reviews, and its price.
Top sellers
by 90-day click share
BW Technologies Corded Electric BWC2-H BW Clip Single Gas H2S Monitor 10/15 (1 Pack)
- Price
- $103.20
- Rating
- 4.7/5
- Reviews
- 1,000
- Age
- 11y ago

Honeywell BW Technologies BW Clip BWC2-H Single Gas H2S Monitor
- Price
- $119.94
- Rating
- 4.4/5
- Reviews
- 71
- Age
- 8y ago

TopTes Guard-101 Gas Detector 4 Gas Monitor for H2S CO LEL and O2 with Vibration Visual and Audible Alarms 14h Long Battery Life Safety Explosion-Proof for Work Home - Orange
- Price
- $95.65
- Rating
- 4.2/5
- Reviews
- 552
- Age
- 1y ago

H2S Monitor Digital H2S Monitor Clip On 0~100ppm H2S Gas Detector with Buzzer and Red Indicator Alarm LCD Backlight Hydrogen Sulfide Detector Display h2s & C/F Temperature for Various environments
- Price
- $45.04
- Rating
- 3.9/5
- Reviews
- 61
- Age
- 3y ago

Sooguard H2S Monitor Clip Single Gas H2S Monitor 0~100ppm High-PrecisionH2S Gas Detector Adjustable Alarm Range 3 Alarm Modes Explosion-Proof Safety for Various Working environments (Orange)
- Price
- $54.26
- Rating
- 4.7/5
- Reviews
- 14
- Age
- 1y ago
Trending
90-day click momentum
H2S Monitor Clip Single Gas H2S Detector Portable Hydrogen Sulfide Detector Gas Leak Detectors with Buzzer and Red Indicator Alarm Clip on 0~100ppm H2S Gas Detector (Black)
- Price
- $59.08
- Rating
- 4.5/5
- Reviews
- 6
- Age
- 3mo ago

Sooguard H2S Monitor Clip Single Gas H2S Monitor 0~100ppm High-PrecisionH2S Gas Detector Adjustable Alarm Range 3 Alarm Modes Explosion-Proof Safety for Various Working environments (Orange)
- Price
- $54.26
- Rating
- 4.7/5
- Reviews
- 14
- Age
- 1y ago

H2S Monitor by Forensics | USA NIST Calibration & Certificate | Dust & Explosion Proof | USB Recharge | Sound Light and Vibration Alarms | 0-100ppm H2S |
- Price
- $96.41
- Rating
- 4.0/5
- Reviews
- 77
- Age
- 7y ago

4 Gas Monitor Multi Gas Detector EX O2 H2S Monitor Clip on 3000mAh Rechargeable 4 Gas Meter View Records and Curve Portable 4 Gas Monitor Multi Gas Detector with Calibration Kit 4 Gas Detector
- Price
- $95.85
- Rating
- 4.0/5
- Reviews
- 30
- Age
- 2y ago

TOPTES Guard-611 Portable H2S Detector Features a Convenient H2S Monitor Clip on Rechargeable with 5-Day Battery Low Battery Warning Safety Explosion-Proof-Orange
- Price
- $64.80
- Rating
- 3.8/5
- Reviews
- 152
- Age
- 1y ago
Newest
by launch date
H2S Monitor Clip Single Gas H2S Detector Portable Hydrogen Sulfide Detector Gas Leak Detectors with Buzzer and Red Indicator Alarm Clip on 0~100ppm H2S Gas Detector (Black)
- Price
- $59.08
- Rating
- 4.5/5
- Reviews
- 6
- Age
- 3mo ago

Sooguard H2S Monitor Clip Single Gas H2S Monitor 0~100ppm High-PrecisionH2S Gas Detector Adjustable Alarm Range 3 Alarm Modes Explosion-Proof Safety for Various Working environments (Orange)
- Price
- $54.26
- Rating
- 4.7/5
- Reviews
- 14
- Age
- 1y ago

Sooguard H2S Gas Detector Clip On Portable 0-100ppm Monitor with Triple Alarm (Sound/Light/Vibration) 0.5s Fast Response & Digital Display Personal Gas Monitor
- Price
- $53.70
- Rating
- 4.7/5
- Reviews
- 14
- Age
- 1y ago

TOPTES Guard-611 Portable H2S Detector Features a Convenient H2S Monitor Clip on Rechargeable with 5-Day Battery Low Battery Warning Safety Explosion-Proof-Orange
- Price
- $64.80
- Rating
- 3.8/5
- Reviews
- 152
- Age
- 1y ago

TopTes Guard-101 Gas Detector 4 Gas Monitor for H2S CO LEL and O2 with Vibration Visual and Audible Alarms 14h Long Battery Life Safety Explosion-Proof for Work Home - Orange
- Price
- $95.65
- Rating
- 4.2/5
- Reviews
- 552
- Age
- 1y ago
Competition
Competition: brands, sellers & click share
The top 5 products take 70% of clicks. Leaders hold, but buyers still shop past them.
Brands
7 rising
Sellers
44
Top-5 brand share
96%
Top 20: 100%
Top-5 click share
70%
Top 20: 100%
Open market
1%
- BW Technologies58%
- TOPTES15%
- Sooguard8%
- DANOPLUS7%
- HAOKESITE7%
- FORENSICS DETECTORS FD3%
- Open — no brand owns it (1 brand, 1%)
Demand
H2s Monitor search demand
Weekly searches over the year, seasonality beneath. Pick a range.
No pronounced peak months · busiest ÷ quietest = 1.3×
Search terms
Top H2s Monitor search terms shoppers use
The exact words shoppers type, with yearly volume, growth, and conversion.
- h2s monitor57K/yr
- h2s gas monitor11K/yr
- h2s12K/yr
- h2s monitor clip on8K/yr
Reviews and returns
What reviews say buyers love and hate about H2s Monitor
We read the reviews and the return reasons for every product selling here.
“faulty calibration”
Every topic
Every topic buyers talk about, one row each.
Red shows the share of negative reviews and green the share of positive reviews, biggest topic first. Open a row to read what they wrote.
21 topics
Keep looking
Related niches
Niches in the same category that score near this one. Research these next.
Best Flapen score
The highest-scoring niches we track right now, across every category.
FAQ
Common H2s Monitor questions
Answered from the same tracked data.









