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24

vl-sz30kl

Skip it

A small market ($0/yr) — this niche doesn't clear our bar today.

Market size 0Growth 21Conversion 0Competition 17Returns 98Price range 0Avg price 0Brand share 0Review moat 78Quality gap 48

Returns

Incredible0.5%

return rate — above 5% kills the launch gate

Review moat

Great432.4

avg incumbent reviews — the moat a new listing must climb

Quality gap

Okay4.5★

avg incumbent rating — lower means beatable quality

Growth

Bad-8.6%

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

Competition

Bad80%

top-5 click share — a locked-up shelf

Market size

Bad¥0

¥0/yr · 3K searches

Conversion

Bad0.0%

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

Brand share

Bad100%

top-5 brand share — brand-locked demand

Avg price

Bad¥14172.74

avg listing price — sweet spot $15–$100

Price range

Bad¥11339.40–¥16783.57

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

According to Flapen's Amazon Japan niche tracking, vl-sz30kl is a ¥0/yr Amazon Japan market (3K searches/yr). The top 5 brands hold 100% of demand. Demand peaks in Aug–Sep–Oct–Nov–Dec. Verdict: Skip it — 24/100.

Data updated Jul 30, 2026 · scored weekly · How we score niches

vl-sz30kl market data

Units sold / yr
100–250
avg 0–100/product
Revenue / yr
¥1.4M–¥3.5M
units × avg price
Conversion rate
0.0%
Avg BSR
#102
Page quality
0%
Prime
70%
Sponsored
70%
Out of stock
1.2%
Avg brand age
40 months
Avg seller age
136 days

Competition & brand share

The top 5 products capture 80% of clicks — a locked-up shelf that new listings rarely crack.

Brands

3 rising

Sellers

177

Top-5 brand share

100%

Top 20: 100%

Top-5 click share

80%

Top 20: 100%

Open market

0%

  • パナソニック(Panasonic)85%
  • ノーブランド品12%
  • Generic3%

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — -8.6% search growth over the last 90 days.
600400Spike '24Black Friday '24Holiday '24Spike '25Prime Day '25Black Friday '25Spike '26SepDecMarJunAugNovMarMay

Peak months: Aug, Sep, Oct, Nov, Dec · busiest ÷ quietest = 4.9×

Top vl-sz30kl 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%¥020%¥030%¥040%¥01101001K10K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)1 product missing review or click data not plotted

All 10 tracked products in this niche — three views at once, no toggling.

What buyers say about vl-sz30kl

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

What buyers love

コストパフォーマンス21%

“手頃です。”

組み立て/インストール21%

“取り付け簡単録画もキレイ”

使用の容易さ15%

“簡単取替え”

総合品質7%

“良い製品です”

画像/写真の鮮明さ6%

“カメラ感度、液晶明るい、ライトは夜すごく良い”

セキュリティ5%

“防犯に役立ちます”

広告と実際の製品の違い3%

“問題なし期待通り”

デザイン全体2%

“デザイン”

強さ1%

“安定している”

調整可能性/回転機能/リクライニング機能 1%

“カメラは方向可動です”

What buyers complain about

接続性 - 全体16%

“ドアホンとモニターが接続しなかったので、メーカーに修理を依頼したところ、. 配線不備だと確認されて、交換を指示されました。”

画像/写真の鮮明さ12%

“画質が思ったほどではありませんでした。”

耐久性11%

“直ぐ壊れないと思うが壊れたらまた同じのを買う。”

コストパフォーマンス7%

“金額的に安いの有りますが流石パナソニック”

厚み7%

“このタイプからプラスチックが薄く、質感も良くなくなった。”

商品の状態6%

“いかにも一度返品を食らった商品を再利用した感じの外観。”

不良材料/部品4%

“本体が最初から故障しているので取り替えて欲しいです。”

サイズ全体4%

“3.5インチの画面はちょっと小さいです。”

総合品質4%

“安い”

材料の品質4%

“外装がひどい”

Top return reasons

接続性 - 全体22%
組み立て/インストール16%
機能全体11%
広告と実際の製品の違い9%
不良材料/部品7%
サイズ全体7%
互換性-全体6%
取り付け2%
総合品質2%
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2%

Common questions

Is vl-sz30kl profitable to sell on Amazon Japan?
The niche generates ¥0/yr across 10 tracked products. 1 of 1 products launched in the last 360 days are still selling. 90-day search growth is -8.6%. Flapen's verdict: Skip it (24/100).
How competitive is the vl-sz30kl niche?
3 brands and 177 sellers compete. The top 5 products take 80% of clicks and top 5 brands hold 100% of demand.
What do buyers complain about in vl-sz30kl?
Top complaints mined from reviews: 接続性 - 全体, 画像/写真の鮮明さ, 耐久性. The return rate is 0.5%.
When does demand for vl-sz30kl peak?
Demand peaks in Aug–Sep–Oct–Nov–Dec; the busiest month runs 4.9× the quietest.
What does it cost to enter the vl-sz30kl niche?
Listings span ¥11339.40–¥16783.57; the average listing price is ¥14172.74 (sweet spot $15–$100). The average incumbent carries 432 reviews — the moat a new listing must climb.