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  • 2 VIDEOS
  • Portable Trailer Light Tester Box with 12V 10Ah Battery, Wireless Remote Control Operation, Fit for 7-Way Round & 3/4/5 Flat Pin Type, with 7-pin Trailer Light Tester Plug
  • Trailer Light Buyer Demonstration VideoKatywixu

Portable Trailer Light Tester Box with 12V 10Ah Battery, Wireless Remote Control Operation, Fit for 7-Way Round & 3/4/5 Flat Pin Type, with 7-pin Trailer Light Tester Plug

3.9 out of 5 stars (20)
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About this item

  • Patent Pending. Wireless Remote Operation: Trailer Tester Box with Battery comes equipped with a wireless remote control, allowing you to operate the tester from a long distance with precision. Say goodbye to the trouble of running back and forth for traditional testing. This makes the trailer light, brake, and brake-away system inspection so fast, very suitable for large parking lots/freight stations, etc.
  • Widely used: Trailer light tester with 3/4/5 -flat pin and 7-way round pin. Meets the testing needs of various trailer types, including motorhomes, container trucks, agricultural trailers, and yacht trailers. No additional adapter is required, and it can be quickly connected. Attached a 7-way trailer tester plug to check whether the main vehicle interface is normal. A one-stop solution to all problems encountered by trailers.
  • Safe and Stable: Trailer lights tester equipped with a 12V 10Ah Battery safety protection system effectively prevents device damage. Suitable for use outdoors and in remote areas without the need for an additional power source, turn a switch, that's it, no more backing the truck up and then replacing fuses in the truck just to check trailer lights.
  • Durable Performance: Compared with other plastic bodies, our all-metal body has higher strength and impact resistance, A long service life, and is designed for professional environments. It can still operate stably even in extreme environments of -20℃~60℃. Comes with installation instructions and a video for easy installation
  • Full-Function Testing: Independent detection module, which can accurately check abnormal turn signal flicker, Abnormal brake signal, Abnormal reversing signal, Abnormal driving light signal, and other faults with one/double click. Accurately checks wiring configurations to ensure the safety and reliability of the trailer’s electrical system.
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Product details

  • Batteries ‏ : ‎ 3 A batteries required. (included)
  • Parcel Dimensions ‏ : ‎ 24 x 21.49 x 19.41 cm; 1.74 kg
  • Date First Available ‏ : ‎ June 25 2025
  • Manufacturer ‏ : ‎ Katywixu
  • ASIN ‏ : ‎ B0FFGKWN7W
  • Item model number ‏ : ‎ Trailer Light Tester Box
  • 鶹 Rank: #81,178 in Tools & Home Improvement (See Top 100 in Tools & Home Improvement)
  • Customer Reviews:
    3.9 out of 5 stars (20)

Product information

Technical Details

Manufacturer ‎Katywixu
Part number ‎swntcdcsy
Item Weight ‎1.74 kg
Parcel Dimensions ‎24 x 21.49 x 19.41 cm; 1.74 kg
Batteries ‎3 A batteries required. (included)
Item model number ‎Trailer Light Tester Box
Colour ‎Black
Style ‎tcd-01
Power source type ‎Battery Powered
Item Package Quantity ‎1
Measurement Accuracy ‎no
Included components ‎Trailer Light Tester Box
Batteries Included? ‎Yes
Batteries Required? ‎Yes
Battery Cell Type ‎Lithium Ion

Additional Information

ASIN B0FFGKWN7W
Customer Reviews
3.9 out of 5 stars (20)

3.9 out of 5 stars
鶹 Rank
Date First Available June 25 2025

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Portable Trailer Light Tester Box with 12V 10Ah Battery, Wireless Remote Control Operation, Fit for 7-Way Round & 3/4/5 Flat Pin Type, with 7-pin Trailer Light Tester Plug

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Product description

Portable Trailer Light Tester Box with 12V 10Ah Battery, Wireless Remote Control Operation, Fit for 7-Way Round & 3/4/5 Flat Pin Type, with 7-pin Trailer Light Tester Plug, for Testing Trailer Taillights.

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Product Summary: Portable Trailer Light Tester Box with 12V 10Ah Battery, Wireless Remote Control Operation, Fit for 7-Way Round & 3/4/5 Flat Pin Type, with 7-pin Trailer Light Tester Plug

From Katywixu

3.9 out of 5 stars, 20 ratings

Customer reviews

100+ viewed in past month

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About this Item

  • Patent Pending. Wireless Remote Operation: Trailer Tester Box with Battery comes equipped with a wireless remote control, allowing you to operate the tester from a long distance with precision. Say goodbye to the trouble of running back and forth for traditional testing. This makes the trailer light, brake, and brake-away system inspection so fast, very suitable for large parking lots/freight stations, etc.
  • Widely used: Trailer light tester with 3/4/5 -flat pin and 7-way round pin. Meets the testing needs of various trailer types, including motorhomes, container trucks, agricultural trailers, and yacht trailers. No additional adapter is required, and it can be quickly connected. Attached a 7-way trailer tester plug to check whether the main vehicle interface is normal. A one-stop solution to all problems encountered by trailers.
  • Safe and Stable: Trailer lights tester equipped with a 12V 10Ah Battery safety protection system effectively prevents device damage. Suitable for use outdoors and in remote areas without the need for an additional power source, turn a switch, that's it, no more backing the truck up and then replacing fuses in the truck just to check trailer lights.
  • Durable Performance: Compared with other plastic bodies, our all-metal body has higher strength and impact resistance, A long service life, and is designed for professional environments. It can still operate stably even in extreme environments of -20℃~60℃. Comes with installation instructions and a video for easy installation
  • Full-Function Testing: Independent detection module, which can accurately check abnormal turn signal flicker, Abnormal brake signal, Abnormal reversing signal, Abnormal driving light signal, and other faults with one/double click. Accurately checks wiring configurations to ensure the safety and reliability of the trailer’s electrical system.

Product description

Portable Trailer Light Tester Box with 12V 10Ah Battery, Wireless Remote Control Operation, Fit for 7-Way Round & 3/4/5 Flat Pin Type, with 7-pin Trailer Light Tester Plug, for Testing Trailer Taillights.
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