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Door Sensor

Fail

The top 5 brands take 100% of clicks, so Door Sensor is a Fail.

Flapen Score
35
35 / 100
Ranks 2,091 of 2,225 DIY & Tools niches · −14 vs the category median of 49
Market size
£66K/yr94K searches / yr
90-day growth
-15.7%search demand this quarter
Competition
79%top-5 click share · 5 brands · 36 sellers

Flapen Score

Door Sensor against its category

The dotted line is the DIY & Tools average. Past it, Door Sensor is stronger. Inside it, weaker.

35Fail
Big MarketTrendingHigh ConversionOpen MarketLow ReturnsPrice rangeAvg priceNo Dominant BrandLow Review BarrierQuality Gap
This niche Category average

Market

The Door Sensor market on Amazon at a glance

Shoppers on Amazon United Kingdom searched for Door Sensor 94K times last year and spent an estimated £66K. All 5 brands take every click. Demand peaks in Jan–Feb–Oct–Nov–Dec. Flapen scores it 35 out of 100, a Fail.

01 · Demand

4.6% of searches ended in a purchase last week.

Shoppers searched for this 94K times in the last 12 months. That counts every search on Amazon United Kingdom for this niche's terms. In the latest week, 4.6% of those searches ended in a purchase. Searches in the last 90 days moved -15.7% against the 90 days before. Searches, conversion and average price together put the market at an estimated £66K a year.

Searches, last 12 months
94K
Growth, 90 days vs prior 90
-15.7%
Conversion, latest week
4.6%
Market size, estimated
£66Ka year
Peak month
January3.5× the quietest month
Top search term
door sensor25K searches a year

02 · Price

A sale here is worth £15.34.

Listings sell for £15.34 on average, from £9.92 to £32.22. Amazon reports units sold in ranges. This niche sold 4K to 5K a year. The average listing sells 250 to 500 of them. At £15.34 that is £4K to £8K a year per listing.

Average price
£15.34inside the $15 to $100 sweet spot
Price range
£9.92–£32.22
Amazon United Kingdom median price
£12.12across 27,606 niches
Units sold a year
4K–5K
Units per listing a year
250–500
Revenue per listing a year
£4K–£8K
Returns
2.9%of orders · Amazon United Kingdom median 0.6%

03 · Entry bar

The bar here is low.

45% of listings pay for placement with sponsored ads. 100% ship with Prime. On an average day, 10.0% of listings are out of stock. The average listing ranks #11 within Electrical. It carries 1,417 reviews at 4.38 stars, so a new listing needs social proof before a better product.

Sponsored listings
45%
Prime listings
100%
Out of stock, average day
10.0%
Average rank
#11in Electrical
Average rating
4.38 starsAmazon United Kingdom average 4.36 stars
Average reviews
1,417per listing
Listings tracked
11

04 · Newcomers

Brands here are settling in.

The brands on the shelf have sold for 44 months on average, so the names here are settling in.

Launched, last 12 months
0
Successful launches
0Amazon's first-year sales bar
Average brand age
44 months

Products

Top Door Sensor products & what they sell for

Every tracked product: its share of the shelf, its reviews, and its price.

Competition

Competition: brands, sellers & click share

The top 5 products take 79% of clicks. A locked shelf that new listings rarely crack.

£0£10K£20K£29K£39K1001K10K Review Count Sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

Brands

5 falling

Sellers

36

Top-5 brand share

100%

Top 20: 100%

Top-5 click share

79%

Top 20: 100%

Open market

0%

  • Tapo66%
  • Aqara23%
  • SONOFF6%
  • SanJie3%
  • SENCKIT2%

Demand

Door Sensor search demand

Weekly searches over the year, seasonality beneath. Pick a range.

15K10KSpike '24Black Friday '24Spike '25Black Friday '25Spike '26SepDecMarJunAugNovMarMay

Peak months: Jan, Feb, Oct, Nov, Dec · busiest ÷ quietest = 3.5×

Search terms

Top Door Sensor search terms shoppers use

The exact words shoppers type, with yearly volume, growth, and conversion.

  • door sensor25K/yr
  • tapo door sensor16K/yr
  • tapo alarm8K/yr
  • aqara door sensor8K/yr
  • tapo alarm system7K/yr
  • door sensor that alerts your phone5K/yr
  • smart door sensor5K/yr
  • tapo t1105K/yr
  • door contact sensor3K/yr
  • contact sensor4K/yr

Reviews and returns

What reviews say buyers love and hate about Door Sensor

What buyers praise, what they complain about and why they send it back, from the reviews.

Complain

Connectivity-Overall18%−0.10

and they conflicted with each other, giving false readings and regularly disconnecting

constantly loose connection after an hour or so with no updates even after waking them

Poor connection

Size-Overall7%−0.02

its small

a bit fiddly to fit

Too big

Value For Money6%−0.02

Too expensive

more expensive brand

Overpriced

Compatibility-Overall5%

It's very strange that it doesn't support the latest version of the Tapo D130

ATTENTION: not all SD cards are compatible

No integration with home assistant

Assembly/Installation4%+1.53

I had trouble setting it up on my iPhone

A little awkward to set up

still found the configuration unnecessarily complicated and, at times, not very intuitive

Love

Assembly/Installation15%+1.53

easy to install

Easy to set up

full installation took around 2 minutes

Quality-Overall9%+0.49

Great quality and easy installation

Excellent product

they have been 100% reliable so far

Connectivity-Overall8%−0.10

The system connects

Excellent item connection is easy

connect to my WiFi

Value For Money8%−0.02

good price

Good value for money

Excellent value

Compatibility-Overall6%

it paired with my doorbell easily

works well with the Tapo app and compatible smart home devices

it works flawlessly with home assistant

Return

2.9% Return rate 6% Fixable by listing

Compatibility-Overall31%██▇██▇

It's very strange that it doesn't support the latest version of the Tapo D130

ATTENTION: not all SD cards are compatible

No integration with home assistant

Connectivity-Overall26%▆▇▆▇█▇

and they conflicted with each other, giving false readings and regularly disconnecting

constantly loose connection after an hour or so with no updates even after waking them

Poor connection

Functionality-Overall16%█▅█▆▆▆
Defective Material/Parts5%▅█▄▅▃▄
Size-Overall3%▄▄█▆▂▅

its small

a bit fiddly to fit

Too big

FAQ

Common Door Sensor questions

Answered from the same tracked data.