24v 電源
Worth a lookShows a thin review moat (57 avg reviews), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.
Review moat
Incredible57.47avg incumbent reviews — the moat a new listing must climb
Quality gap
Great4.1★avg incumbent rating — lower means beatable quality
Returns
Great1.4%return rate — above 5% kills the launch gate
Market size
Great¥1.1M¥1.1M/yr · 29K searches
Brand share
Great58%top-5 brand share — no brand owns this niche
Competition
Good50%top-5 click share — leaders hold, buyers still browse
Growth
Bad-1.2%90-day search growth — must beat 0% to launch
Conversion
Bad1.6%search→purchase rate — share of searches ending in a sale
Avg price
Bad¥2352.09avg listing price — sweet spot $15–$100
Price range
Bad¥853.79–¥6543.52cheapest to priciest tracked listing — scored on the share inside $15–$100