53
12v 5v 変換
Worth a lookShows low returns (0.6%), but pricing outside the sweet spot ($829.99 avg) keeps it on the watch list.
Returns
Incredible0.6%return rate — above 5% kills the launch gate
Review moat
Great100.14avg incumbent reviews — the moat a new listing must climb
Quality gap
Great4.2★avg incumbent rating — lower means beatable quality
Brand share
Good66%top-5 brand share — brands hold most of the demand
Competition
Good50%top-5 click share — leaders hold, buyers still browse
Market size
Good¥366K¥366K/yr · 11K searches
Conversion
Okay4.0%search→purchase rate — share of searches ending in a sale
Growth
Bad-16.3%90-day search growth — must beat 0% to launch
Avg price
Bad¥829.99avg listing price — sweet spot $15–$100
Price range
Bad¥436.17–¥1551.18cheapest to priciest tracked listing — scored on the share inside $15–$100