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light box therapy

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Weak search conversion (0.7%) — this niche doesn't clear our bar today.

Market size 40Growth 14Conversion 9Competition 93Returns 43Price range 11Avg price 71Brand share 96Review moat 48Quality gap 50

Brand share

Incredible32%

top-5 brand share — no brand owns this niche

Competition

Great22%

top-5 click share — an open shelf

Avg price

Good$111.09

avg listing price — sweet spot $15–$100

Quality gap

Good4.5★

avg incumbent rating — lower means beatable quality

Review moat

Okay1,735.8

avg incumbent reviews — the moat a new listing must climb

Returns

Okay3.9%

return rate — above 6% kills the launch gate

Market size

Okay$204K

$204K/yr · 248K searches

Growth

Bad-21.7%

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

Price range

Bad$14.45–$791.29

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

Conversion

Bad0.7%

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

Competition

Clicks spread well past the top 5 (22% combined) — an open shelf where new products get seen.

Brands

61 falling

Sellers

115

Top-5 brand share

32%

Open market

64%

  • Comfytemp9%
  • LASTAR7%
  • Verilux7%
  • SUNMORY5%
  • Kaoudt4%
  • bonodave4%

Product shelf

Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.

0%2%$4K4%$8K6%$12K8%$16K101001K10K100K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 86 tracked products in this niche — three views at once, no toggling.

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — -21.7% search growth over the last 90 days.
50K30KSpike '24Holiday '24Spike '25Prime Day '25Holiday '25SepDecMarJunAugNovMarMay

Peak months: Jul, Dec · busiest ÷ quietest = 3.9×

Reviews

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

What buyers love

Brightness/Shine/Glow24%

“Bright Light”

Quality-Overall9%

“Solid build quality”

Ease Of Use7%

“Convenient to use”

Value For Money6%

“Best money spent”

Assembly/Installation5%

“Easy assembly”

Efficiency4%

“Effective”

Comfort-Overall3%

“Comfortable Fit”

Size-Overall3%

“Comfortable fit”

Advertised Vs Actual Product3%

“As advertised”

Design-Overall2%

“I love the sleek profile”

What buyers complain about

Durability22%

“Broke after a month”

Quality-Overall7%

“Bad Quality Control”

Functionality-Overall7%

“not functional”

Brightness/Shine/Glow4%

“Not bright enough”

Value For Money4%

“WASTE OF MONEY”

Charging3%

“Didn't charge”

Size-Overall3%

“Doesnt fit”

Touch/Button Controls2%

“Touch buttons dont work”

Ease Of Use2%

“Difficult to operate”

Advertised Vs Actual Product2%

“False advertising”

Top return reasons

Size-Overall19%
Functionality-Overall17%
Brightness/Shine/Glow13%
Advertised Vs Actual Product8%
Value For Money4%
Charging3%
Defective Material/Parts3%
Heating3%
Quality-Overall2%
Connectivity-Overall2%