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39

glass break sensor

Skip it

A small market ($65K/yr) — this niche doesn't clear our bar today.

Market size 16Growth 17Conversion 36Competition 20Returns 40Price range 95Avg price 95Brand share 29Review moat 43Quality gap 90

Avg price

Incredible$36.05

avg listing price — sweet spot $15–$100

Price range

Incredible$15.66–$68.05

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

Quality gap

Great4.1★

avg incumbent rating — lower means beatable quality

Review moat

Okay2,223.06

avg incumbent reviews — the moat a new listing must climb

Returns

Okay3.8%

return rate — above 5% kills the launch gate

Conversion

Okay2.9%

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

Brand share

Okay87%

top-5 brand share — brands hold most of the demand

Competition

Bad76%

top-5 click share — a locked-up shelf

Growth

Bad-16.1%

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

Market size

Bad$65K

$65K/yr · 63K searches

According to Flapen's Amazon United States niche tracking, glass break sensor is a $65K/yr Amazon United States market (63K searches/yr). The top 5 brands hold 87% of demand. Demand peaks in Nov. Verdict: Skip it — 39/100.

Data updated Jul 22, 2026 · scored weekly · How we score niches

glass break sensor market data

Units sold / yr
2K–2K
avg 100–250/product
Revenue / yr
$54K–$72K
units × avg price
Conversion rate
2.9%
Avg BSR
#656
Page quality
0%
Prime
100%
Sponsored
69%
Out of stock
5.8%
Avg brand age
73 months
Avg seller age
164 days

Competition & brand share

The top 5 products capture 76% of clicks — a locked-up shelf that new listings rarely crack.

Brands

11 falling

Sellers

45

Top-5 brand share

87%

Top 20: 100%

Top-5 click share

76%

Top 20: 100%

Open market

10%

  • EVA LOGIK54%
  • SimpliSafe15%
  • wsdcam10%
  • CATSONIC5%
  • ADT Blu3%
  • AINOORA3%
  • Open — no brand owns it (5 brands, 10%)

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — -16.1% search growth over the last 90 days.
2K2KSpike '24Holiday '24Prime Day '25Spike '25Black Friday '25Spike '26SepDecMarJunAugNovMarMay

Peak months: Nov · busiest ÷ quietest = 1.6×

Top glass break sensor search terms

  • glass break sensor38K/yr
  • glass break alarm9K/yr
  • window break alarm5K/yr
  • window break sensor4K/yr
  • adt glass break sensor3K/yr
  • glass break sensor alarm5K/yr
All search terms

Top glass break sensor 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%5%$3K10%$7K15%$10K20%$13K1101001K10K100K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 16 tracked products in this niche — three views at once, no toggling.

What buyers say about glass break sensor

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

What buyers love

Noise Level17%

“the alarm is loud enough to get your attention right away”

Security13%

“Great add-on to my security system”

Assembly/Installation11%

“Easy to install”

Value For Money8%

“Peace of mind for $27”

Quality-Overall8%

“excellent product”

Efficiency6%

“Work perfectly well”

Alarm/Timer Accuracy6%

“Great alarms”

Advertised Vs Actual Product6%

“works as advertised”

Strength3%

“Effective”

Color3%

“Like the white though”

What buyers complain about

Noise Level28%

“the alarm is very loud”

Functionality-Overall8%

“DOES NOT WORK”

Adhesion/Stickiness8%

“Sticker system awkward”

Battery Life7%

“We had these on the windows for 5 years until the batteries died”

Ease Of Use6%

“very hard to use”

Product Condition5%

“Paid for new was shipped a used device”

Quality-Overall5%

“Garbage”

Magnetic Strength/Adsorption5%

“they said they had magnets to stick on the window sill I ended up have to getting two-way tape to stick them on the windows”

Value For Money5%

“Total waste of money”

Advertised Vs Actual Product3%

“aggressive marketing copy”

Top return reasons

Alarm/Timer Accuracy26%
Compatibility-Overall12%
Functionality-Overall12%
Noise Level10%
Connectivity-Overall6%
Value For Money6%
Size-Overall6%
Advertised Vs Actual Product5%
Defective Material/Parts3%
Product Condition3%

Common questions

Is glass break sensor profitable to sell on Amazon United States?
The niche generates $65K/yr across 16 tracked products. 0 of 1 products launched in the last 360 days are still selling. 90-day search growth is -16.1%. Flapen's verdict: Skip it (39/100).
How competitive is the glass break sensor niche?
11 brands and 45 sellers compete. The top 5 products take 76% of clicks and top 5 brands hold 87% of demand.
What do buyers complain about in glass break sensor?
Top complaints mined from reviews: Noise Level, Functionality-Overall, Adhesion/Stickiness. The return rate is 3.8%.
When does demand for glass break sensor peak?
Demand peaks in Nov; the busiest month runs 1.6× the quietest.
What does it cost to enter the glass break sensor niche?
Listings span $15.66–$68.05; the average listing price is $36.05 (sweet spot $15–$100). The average incumbent carries 2,223 reviews — the moat a new listing must climb.