4 Gas Monitor
FailPrices span $21.91–$908.83, mostly outside the sweet spot, so 4 Gas Monitor is a Fail.
- Flapen Score
- 46 / 100Ranks 5,399 of 9,536 Tools & Home Improvement niches · −2 vs the category median of 4846
- Market size
- $1.0M/yr105K searches / yr
- 90-day growth
- -15.8%search demand this quarter
- Competition
- 60%top-5 click share · 11 brands · 41 sellers
Flapen Score
4 Gas Monitor against its category
The dotted line is the Tools & Home Improvement average. Past it, 4 Gas Monitor is stronger. Inside it, weaker.
Market
The 4 Gas Monitor market on Amazon at a glance
Shoppers on Amazon United States searched for 4 Gas Monitor 105K times last year and spent an estimated $1.0M. The top 5 brands take 79% of clicks. Demand peaks in May–Jun. Flapen scores it 46 out of 100, a Fail.
01 · Demand
3.9% of searches ended in a purchase last week.
Shoppers searched for this 105K times in the last 12 months. That counts every search on Amazon United States for this niche's terms. In the latest week, 3.9% of those searches ended in a purchase. Searches in the last 90 days moved -15.8% against the 90 days before. Searches, conversion and average price together put the market at an estimated $1.0M a year.
- Searches, last 12 months
- 105K
- Growth, 90 days vs prior 90
- -15.8%
- Conversion, latest week
- 3.9%
- Market size, estimated
- $1.0Ma year
- Peak month
- May2.0× the quietest month
- Top search term
- 4 gas monitor30K searches a year
02 · Price
A sale here is worth $251.12.
Listings sell for $251.12 on average, from $21.91 to $908.83. Amazon reports units sold in ranges. This niche sold 6K to 8K a year. The average listing sells 250 to 500 of them. At $251.12 that is $63K to $126K a year per listing.
- Average price
- $251.12above the $15 to $100 sweet spot
- Price range
- $21.91–$908.83
- Amazon United States median price
- $24.38across 115,062 niches
- Units sold a year
- 6K–8K
- Units per listing a year
- 250–500
- Revenue per listing a year
- $63K–$126K
- Returns
- 3.1%of orders · Amazon United States median 2.1%
03 · Entry bar
The bar here is low.
84% of listings pay for placement with sponsored ads. 100% ship with Prime. On an average day, 4.1% of listings are out of stock. The average listing ranks #60 within Household Sensors & Alarms. It carries 763 reviews at 4.43 stars, so a new listing needs social proof before a better product.
- Sponsored listings
- 84%
- Prime listings
- 100%
- Out of stock, average day
- 4.1%
- Average rank
- #60in Household Sensors & Alarms
- Average rating
- 4.43 starsAmazon United States average 4.42 stars
- Average reviews
- 763per listing
- Listings tracked
- 19
04 · Newcomers
Amazon counts 3 of last year's 4 launches as successful.
4 products launched here in the last 12 months. Amazon counts 3 of them as successful launches, new products that hit its first-year sales bar. The brands on the shelf have sold for 49 months on average, so the names here are settling in.
- Launched, last 12 months
- 4
- Successful launches
- 3Amazon's first-year sales bar
- Average brand age
- 49 months
Products
Top 4 Gas 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
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

TopTes Guard-863Pro 4 Gas Monitor Multi Gas Detector for HS CO LEL and O with TFT Color Screen Upgraded O Sensor (5-Year Lifespan) USB Data Export 18h Battery Life Reliable for Work & Home
- Price
- $155.71
- Rating
- 4.5/5
- Reviews
- 101
- Age
- 6mo ago

Gas Detector with Pump 4 Gas Monitor Multi Gas Detector CO EX O2 H2S Monitor 3000mAh Rechargeable 4 Gas Monitor with Calibration Kit Portable LCD Display with Clip Sewer Gas Detector 4 Gas Meter
- Price
- $133.21
- Rating
- 4.1/5
- Reviews
- 79
- Age
- 2y ago

XLA Alert Portable Gas Detector Gas Clip 4 Gas Monitor Meter Tester Analyzer Rechargeable LCD Display Sound Light Shock Air Quality Tester 2 Year Detector
- Price
- $91.64
- Rating
- 4.1/5
- Reviews
- 148
- Age
- 7y ago

BW Technologies MCXL-XWHM-Y-NA GasAlertMicroClip XL 4 Gas Detector CO H2S LEL and O2 Yellow
- Price
- $498.88
- Rating
- 4.2/5
- Reviews
- 173
- Age
- 11y 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

4 Gas Meter for Confined Space | USA NIST Calibration | O2 CO H2S LEL
- Price
- $196.38
- Rating
- 4.9/5
- Reviews
- 24
- Age
- 5mo ago

TopTes Guard-863Pro 4 Gas Monitor Multi Gas Detector for HS CO LEL and O with TFT Color Screen Upgraded O Sensor (5-Year Lifespan) USB Data Export 18h Battery Life Reliable for Work & Home
- Price
- $155.71
- Rating
- 4.5/5
- Reviews
- 101
- Age
- 6mo ago

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
- Price
- $59.28
- Rating
- 4.6/5
- Reviews
- 551
- Age
- 1y ago

4 Gas Monitor | Mini & Small | USA NIST Calibration | O2 CO H2S LEL | USB Recharge |
- Price
- $289.68
- Rating
- 4.9/5
- Reviews
- 16
- Age
- 5mo 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

4 Gas Monitor | Mini & Small | USA NIST Calibration | O2 CO H2S LEL | USB Recharge |
- Price
- $289.68
- Rating
- 4.9/5
- Reviews
- 16
- Age
- 5mo ago

4 Gas Meter for Confined Space | USA NIST Calibration | O2 CO H2S LEL
- Price
- $196.38
- Rating
- 4.9/5
- Reviews
- 24
- Age
- 5mo ago

TopTes Guard-863Pro 4 Gas Monitor Multi Gas Detector for HS CO LEL and O with TFT Color Screen Upgraded O Sensor (5-Year Lifespan) USB Data Export 18h Battery Life Reliable for Work & Home
- Price
- $155.71
- Rating
- 4.5/5
- Reviews
- 101
- Age
- 6mo ago

ADKS-4 Portable Gas Detector 4 Gas Monitor H2S O2 CO and LEL Multiple Indicator with Vibration Audible Visual 4 Gas Monitor Personal Rechargeable Gas Sniffer Alarm with LCD
- Price
- $77.80
- Rating
- 3.9/5
- Reviews
- 54
- Age
- 1y ago
Competition
Competition: brands, sellers & click share
The top 5 products take 60% of clicks. Leaders hold, but buyers still shop past them.
Brands
11 rising
Sellers
41
Top-5 brand share
79%
Top 20: 100%
Top-5 click share
60%
Top 20: 100%
Open market
16%
- TOPTES50%
- FORENSICS DETECTORS FD9%
- BW Technologies7%
- Forsensal6%
- HAOKESITE6%
- XLA Alert6%
- Open — no brand owns it (5 brands, 16%)
Demand
4 Gas Monitor search demand
Weekly searches over the year, seasonality beneath. Pick a range.
Peak months: May, Jun · busiest ÷ quietest = 2.0×
Search terms
Top 4 Gas Monitor search terms shoppers use
The exact words shoppers type, with yearly volume, growth, and conversion.
- 4 gas monitor30K/yr
- 4 gas monitor multi gas detector13K/yr
- gas monitor10K/yr
- gas monitor detector9K/yr
- confined space air monitor7K/yr
- hydrogen sulfide detector8K/yr
- 4 gas meter5K/yr
- hydrogen sulfide gas detector5K/yr
- h2s detector6K/yr
- multi gas detector3K/yr
Reviews and returns
What reviews say buyers love and hate about 4 Gas Monitor
We read the reviews and the return reasons for every product selling here.
“Pin pointed leak”
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.
20 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 4 Gas Monitor questions
Answered from the same tracked data.









