Is r4 profitable to sell on Amazon United States?

The niche generates $1.3M/yr across 6 tracked products. 0 of 1 products launched in the last 360 days are still selling. 90-day search growth is -13.5%. Flapen's verdict: Skip it (30/100).

How competitive is the r4 niche?

3 brands and 47 sellers compete. The top 5 products take 96% of clicks and top 5 brands hold 100% of demand.

What do buyers complain about in r4?

Top complaints mined from reviews: Functionality-Overall, Range, Value For Money. The return rate is 6.1% — above our launch gate.

What does it cost to enter the r4 niche?

Listings span $18.32–$499.62; the average listing price is $287.72 (sweet spot $15–$100). The average incumbent carries 2,285 reviews — the moat a new listing must climb.

r4

Skip it

Brand-locked demand (top 5 brands take 100% of clicks) — this niche doesn't clear our bar today.

Market size

Great$1.3M

$1.3M/yr · 226K searches

Quality gap

Good4.4★

avg incumbent rating — lower means beatable quality

Review moat

Okay2,284.5

avg incumbent reviews — the moat a new listing must climb

Avg price

Okay$287.72

avg listing price — sweet spot $15–$100

Conversion

Okay2.0%

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

Returns

Bad6.1%

return rate — above 5% kills the launch gate

Growth

Bad-13.5%

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

Price range

Bad$18.32–$499.62

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

Competition

Bad96%

top-5 click share — a locked-up shelf

Brand share

Bad100%

top-5 brand share — brand-locked demand

Signals High Returns High Price

According to Flapen's Amazon United States niche tracking, r4 is a $1.3M/yr Amazon United States market (226K searches/yr). The top 5 brands hold 100% of demand. Verdict: Skip it — 30/100.

Data updated Jul 21, 2026 · scored weekly · How we score niches

r4 market data

Units sold / yr: 3K–4K; avg 500–750/product
Revenue / yr: $863K–$1.2M; units × avg price
Conversion rate: 2.0%
Avg BSR: #797
Page quality: 0%
Prime: 67%
Sponsored: 33%
Out of stock: 0.0%
Avg brand age: 46 months
Avg seller age: 179 days

Competition & brand share

The top 5 products capture 96% of clicks — a locked-up shelf that new listings rarely crack.

Brands

3 rising

Sellers

Top-5 brand share

100%

Top 20: 100%

Top-5 click share

96%

Top 20: 100%

Open market

Uniden92%
HawkTec4%
Nike4%

Demand

Weekly Amazon search volume, last 38 weeks — -13.5% search growth over the last 90 days.

Open Trend

Top r4 search terms

uniden r4120K/yr -5.1%2.2% conv.
uniden - r410K/yr -22.5%1.0% conv.
r4 radar detector7K/yr -14.7%2.7% conv.
uniden r4 radar detector6K/yr -14.0%3.4% conv.
r4 uniden4K/yr -9.6%2.7% conv.
r4 nintendo switch6K/yr -30.1%0.0% conv.
uniden r4 plus radar detector1K/yr -37.0%0.7% conv.

All search terms

Top r4 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.

Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 6 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

Uniden R4W (new Model) Extreme Long-Range Laser/Radar Detector Record Shattering Performance 360 Awareness Built-in GPS Wi-Fi Bluetooth Voice Alerts Red Light & Speed Cameras R/TACH App

Uniden$406.814.6★196 rev

Uniden R7 Extreme Long-Range Laser-Radar Detector Built-in GPS w/ Real-Time Alerts Dual-Antennas Front & Rear w/Directional Arrows Voice Alerts Red Light Camera and Speed Camera Alerts

Uniden$499.624.6★4,184 rev

Uniden R3 EXTREME LONG RANGE Laser/Radar Detector Record Shattering Performance Built-in GPS w/ Mute Memory Voice Alerts Red Light & Speed Camera Alerts Multi-Color OLED Display Black

Uniden$304.234.6★7,925 rev

HawkTec R4 2026 R4xMP SDHC Dual Core Update Adapter Memory Card for NDS DS DSI 2DS 3DS New 2DS New 3DS XL No Timebomb

HawkTec$18.324.6★343 rev

Nike Shox R4 Womens Shoes Color: Blue Tint/metallic Silver-racer Blue

Nike$115.643.5★6 rev

Newest

by launch date

Nike Shox R4 Womens Shoes Color: Blue Tint/metallic Silver-racer Blue

Nike$115.646 rev

10mo ago

Uniden R4W (new Model) Extreme Long-Range Laser/Radar Detector Record Shattering Performance 360 Awareness Built-in GPS Wi-Fi Bluetooth Voice Alerts Red Light & Speed Cameras R/TACH App

Uniden$406.81196 rev

1y ago

HawkTec R4 2026 R4xMP SDHC Dual Core Update Adapter Memory Card for NDS DS DSI 2DS 3DS New 2DS New 3DS XL No Timebomb

HawkTec$18.32343 rev

3y ago

UNIDEN R4 Extreme Long-Range Laser/Radar Detector Record Shattering Performance Built-in GPS w/AUTO Mute Memory Voice Alerts Red Light & Speed Camera Alerts Multi-Color OLED Display Black

Uniden$381.681,053 rev

4y ago

Uniden R7 Extreme Long-Range Laser-Radar Detector Built-in GPS w/ Real-Time Alerts Dual-Antennas Front & Rear w/Directional Arrows Voice Alerts Red Light Camera and Speed Camera Alerts

Uniden$499.624,184 rev

7y ago

What buyers say about r4

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

What buyers love

Value For Money24%

“Great value for your money”

Quality-Overall14%

“Great product, has saved me tons of times”

Efficiency10%

“Does its job well”

Range7%

“Actually reliable long range”

Advertised Vs Actual Product7%

“Works as advertised”

Assembly/Installation6%

“Easy installation”

GPS5%

“Outstanding radar detector”

Ease Of Use5%

“It is so easy to use”

Durability3%

“its held up extremely well an durability”

Functionality-Overall2%

“The card works fine”

What buyers complain about

Functionality-Overall21%

“This detector may not work in your car”

Range10%

“Not extremely long range”

Value For Money9%

“Price is a little steep”

Noise Level8%

“If it makes any noise at all you better believe there is a threat near by. or not so near”

Quality-Overall8%

“Not sure what happens to the quality”

Product Condition8%

“return sold as new”

Durability4%

“Should have lasted longer”

Advertised Vs Actual Product2%

“False Advertising”

Audio Quality2%

“now the audio isnt working”

Touch Screen2%

“Screen crapped out first week”

Top return reasons

Functionality-Overall30%

Value For Money14%

Advertised Vs Actual Product7%

Defective Material/Parts7%

Compatibility-Overall7%

Product Condition4%

Display-Overall4%

Size-Overall4%

Range3%

Connectivity-Overall3%

Common questions

Is r4 profitable to sell on Amazon United States?: The niche generates $1.3M/yr across 6 tracked products. 0 of 1 products launched in the last 360 days are still selling. 90-day search growth is -13.5%. Flapen's verdict: Skip it (30/100).
How competitive is the r4 niche?: 3 brands and 47 sellers compete. The top 5 products take 96% of clicks and top 5 brands hold 100% of demand.
What do buyers complain about in r4?: Top complaints mined from reviews: Functionality-Overall, Range, Value For Money. The return rate is 6.1% — above our launch gate.
What does it cost to enter the r4 niche?: Listings span $18.32–$499.62; the average listing price is $287.72 (sweet spot $15–$100). The average incumbent carries 2,285 reviews — the moat a new listing must climb.

r4