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58

eeスイッチ

Launch it

A $3.1M/yr market growing +5.3% this quarter with returns at 0.7% — clears our launch bar.

Market size 96Growth 32Conversion 57Competition 45Returns 97Price range 0Avg price 0Brand share 28Review moat 95Quality gap 96

Returns

Incredible0.7%

return rate — above 5% kills the launch gate

Market size

Incredible¥3.1M

¥3.1M/yr · 24K searches

Quality gap

Incredible3.9★

avg incumbent rating — lower means beatable quality

Review moat

Incredible98.57

avg incumbent reviews — the moat a new listing must climb

Conversion

Good4.8%

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

Competition

Okay58%

top-5 click share — leaders hold, buyers still browse

Growth

Okay+5.3%

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

Brand share

Okay88%

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

Avg price

Bad¥2746.50

avg listing price — sweet spot $15–$100

Price range

Bad¥438.33–¥6470.60

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

According to Flapen's Amazon Japan niche tracking, eeスイッチ is a ¥3.1M/yr Amazon Japan market (24K searches/yr). The top 5 brands hold 88% of demand. Verdict: Launch it — 58/100.

Data updated Jul 31, 2026 · scored weekly · How we score niches

eeスイッチ market data

Units sold / yr
2K–2K
avg 0–100/product
Revenue / yr
¥4.1M–¥5.5M
units × avg price
Conversion rate
4.8%
Avg BSR
#150
Page quality
0%
Prime
81%
Sponsored
43%
Out of stock
6.6%
Avg brand age
50 months
Avg seller age
146 days

Competition & brand share

The top 5 products take 58% of clicks — established leaders, but buyers still shop beyond them.

Brands

9 falling

Sellers

132

Top-5 brand share

88%

Top 20: 100%

Top-5 click share

58%

Top 20: 100%

Open market

8%

  • パナソニック(Panasonic)34%
  • 東芝(TOSHIBA)30%
  • YIYI9%
  • TVETE9%
  • VGEBY6%
  • NEFUSI4%
  • Open — no brand owns it (3 brands, 8%)

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — +5.3% search growth over the last 90 days.
600400Spike '24Spike '25Black Friday '25Spike '26SepDecMarJunAugNovMarMay

No pronounced peak months · busiest ÷ quietest = 1.5×

Top eeスイッチ search terms

  • eeスイッチ11K/yr
  • 自動点滅器10K/yr
  • フォトスイッチ3K/yr
All search terms

Top eeスイッチ 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%10%¥312K20%¥625K30%¥937K40%¥1.2M1101001K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 21 tracked products in this niche — three views at once, no toggling.

What buyers say about eeスイッチ

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

What buyers love

コストパフォーマンス23%

“お得です。”

総合品質11%

“メーカー品は良い”

効率9%

“正常に動作”

機能全体6%

“今のところ正常に機能しています”

広告と実際の製品の違い6%

“期待通り”

使用の容易さ6%

“使い勝手いい”

組み立て/インストール6%

“取り付け簡単”

明るさ/輝き/光沢5%

“外灯にピッタリ”

耐久性5%

“後は耐用年数ですが”

サイズ全体3%

“サイズもピッタリあって満足してます。”

What buyers complain about

総合品質17%

“単純かつ安価な部品”

機能全体17%

“正常に働かない”

明るさ/輝き/光沢10%

“明るい昼間も点灯してみたり、ちゃんと消灯したりとても正常とは思えない”

接続性 - 全体8%

“接続図もなにもない為添付図を書いたのでこれを参照して工事することをお勧めします。. なお黒線と赤線を逆に接続すると正常に動作せず故障の原因になるかもしれないので留意。.”

サイズ全体8%

“小型で邪魔にならない”

水に強い7%

“正しく取り付けましたが水没した. 正しく取り付けてリード線が下になるようにつけても。雨が降ったら水没し故障しました。”

コストパフォーマンス6%

“安くいですが機能はばっちりでした”

耐久性3%

“この機種の耐久性は、まだ未検証。”

不良材料/部品3%

“この商品は消耗品なので定期的に交換が必要です。”

組み立て/インストール3%

“設置場所が悪い部分につけても”

Top return reasons

機能全体48%
不良材料/部品15%
サイズ全体9%
組み立て/インストール4%
総合品質4%
使用説明書/ユーザーマニュアル/トラブルシューティング4%
耐久性4%
タッチ/ボタンコントロール4%
水に強い4%
互換性-全体2%

Common questions

Is eeスイッチ profitable to sell on Amazon Japan?
The niche generates ¥3.1M/yr across 21 tracked products. 0 of 2 products launched in the last 360 days are still selling. 90-day search growth is +5.3%. Flapen's verdict: Launch it (58/100).
How competitive is the eeスイッチ niche?
9 brands and 132 sellers compete. The top 5 products take 58% of clicks and top 5 brands hold 88% of demand.
What do buyers complain about in eeスイッチ?
Top complaints mined from reviews: 総合品質, 機能全体, 明るさ/輝き/光沢. The return rate is 0.7%.
When does demand for eeスイッチ peak?
Demand is steady year-round — the busiest month runs 1.5× the quietest.
What does it cost to enter the eeスイッチ niche?
Listings span ¥438.33–¥6470.60; the average listing price is ¥2746.50 (sweet spot $15–$100). The average incumbent carries 99 reviews — the moat a new listing must climb.