ranger mutt trailer light tester
Skip itPrices mostly outside the sweet spot ($23.15–$2051.53) — this niche doesn't clear our bar today.
Review moat
Great173.89avg incumbent reviews — the moat a new listing must climb
Returns
Great2.0%return rate — above 6% kills the launch gate
Market size
Okay$261K$261K/yr · 48K searches
Quality gap
Okay4.5★avg incumbent rating — lower means beatable quality
Avg price
Okay$241.92avg listing price — sweet spot $15–$100
Competition
Okay65%top-5 click share — leaders hold, buyers still browse
Conversion
Okay2.2%search→purchase rate — share of searches ending in a sale
Brand share
Bad92%top-5 brand share — brand-locked demand
Growth
Bad-17.5%90-day search growth — must beat 0% to launch
Price range
Bad$23.15–$2051.53cheapest to priciest tracked listing — scored on the share inside $15–$100
Competition
The top 5 products take 65% of clicks — established leaders, but buyers still shop beyond them.Brands
10 rising
Sellers
31
Top-5 brand share
92%
Open market
5%
- Innovative Products of America30%
- Zuomeng27%
- AirVows27%
- KOONDHEEND6%
- Zelvoro3%
- SUSUPACI2%
- Open — no brand owns it (4 brands, 5%)
Product shelf
Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.
All 19 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Trailer Light Tester Box with Remote Control Function 98FT Max Remote Range 7-Way Flat (Spade) Pin 6-Way Round Pin 4/5-Pin Connectors Waterproof Case Battery not Included Must use 12V Battery
AirVows$140.254.4★44 rev
Innovative Products of America Light Ranger MUTT: USA Made Universal Portable and Water-Resistant Trailer Light Tester with 7-Way Spade (J2863) Pin Style with Adapter
Innovative Products of America$193.344.6★316 rev
Innovative Products of America Heavy Ranger MUTT Portable Trailer Light Tester with 7-Way Round Pin (SAE J560) for Commercial Tractor Trailers
Innovative Products of America$184.544.6★451 rev
Trailer Light & Electric Brake Tester with 12V 10Ah Battery Tests 7-Spade 6-Round and 4/5-Flat Pin Type Trailer Harnesses Upgrade Wireless Remote Control IP68 Waterproof Case
Zuomeng$166.794.3★75 rev
Trailer Light Tester Box with 12V 12Ah Battery Remote Control Function with 98 FT Range 7-Way Flat (Spade) Pin 6-Way Round Pin 4/5-Pin Connectors IPX8 Waterproof Case 2-Year Warrnaty
AirVows$165.464.5★33 rev
Newest
by launch date
9101 Trailer Light Tester 7 Way Spade Pin with Trailer Plug Adapter Trailer Wiring Tester for RV Utility Trailer Test Lighting and Brake Systems Avoid Blown Fuses
SUSUPACI$121.5310 rev
9102 Trailer Light Tester Box Test Trailer Lighting and Brake Systems
KOONDHEEND$138.2511 rev
Trailer Light Tester with 12V 12Ah Battery Equipped with 7 Pin Flat 6 Pin Round 4/5 Pin Connectors 98 ft Remote Range Dust & Splash Resistant Easy Operation & Reliable Detection
WARMOASIS$140.671 rev
Lrichy Trailer Light 7-Way Plug Tester with 7 6 4/5 Pin Adapter Water-Resistant Portable Electric Brake Tester for RV/Boat/Utility Trailer with Short Circuit Protection(Battery NOT Included)
Lrichy$132.894 rev
Zuomeng Professional Trailer Light Tester Wireless Remote One-Person Operation Built-in 12V 10Ah Rechargeable Battery IP68 Waterproof All-Metal Housing Compatible with 7-Way Round Pin Connector
Zuomeng$154.2210 rev
Trending
90-day click momentum9102 Trailer Light Tester Box Test Trailer Lighting and Brake Systems
KOONDHEEND$138.254.8★
9101 Trailer Light Tester 7 Way Spade Pin with Trailer Plug Adapter Trailer Wiring Tester for RV Utility Trailer Test Lighting and Brake Systems Avoid Blown Fuses
SUSUPACI$121.534.4★
Trailer Light Tester with 12V 12Ah Battery Equipped with 7 Pin Flat 6 Pin Round 4/5 Pin Connectors 98 ft Remote Range Dust & Splash Resistant Easy Operation & Reliable Detection
WARMOASIS$140.675.0★
Lrichy Trailer Light 7-Way Plug Tester with 7 6 4/5 Pin Adapter Water-Resistant Portable Electric Brake Tester for RV/Boat/Utility Trailer with Short Circuit Protection(Battery NOT Included)
Lrichy$132.894.0★
Zuomeng Professional Trailer Light Tester Wireless Remote One-Person Operation Built-in 12V 10Ah Rechargeable Battery IP68 Waterproof All-Metal Housing Compatible with 7-Way Round Pin Connector
Zuomeng$154.224.4★
Demand & seasonality
Weekly Amazon search volume, last 79 weeks — -17.5% search growth over the last 90 days.Peak months: Feb · busiest ÷ quietest = 1.6×
Reviews
What buyers praise and complain about, mined from review topics.What buyers love
“Easy to use”
“Pretty handy tool if you work on trailers often”
“Build quality is reassuring overall”
“Works as advertised”
“Worth it”
“So easy to use and so portable”
“The IPX8 waterproof rating is impressive for a diagnostic tool”
“Love the ease of the controls”
“Firstly, it's portable and one time charging takes weeks to drain, so battery life is fantastic”
“repairs much more efficient”
What buyers complain about
“it doesn't fully shut off killing the battery inside”
“Had for over 2 months”
“Watch what ya get. Used one time then did not work after that”
“it adds an expense that makes it expensive for its use”
“The supplied manual has very sparse information is not very helpful”
“I feel the build quality is so poor it is practically unusable”
“Broken selection knob”
“will not hold a charge”
“Junk or Defective”
“I don't recall seeing that in any of the advertisements”