"Our testing devices provide great value, particularly for companies operating fleets of trailers subject to DOT Inspection regulations."

- William Doolan | CEO - LightsOn

Industry Segments

Trailer Rental Companies

Trailer Rental Companies are subject to DOT Regulations. Due to this, many rental companies perform daily trailer-light inspections. LightsOn Testing Equipment provides an efficient and effective way to inspect large rental lots in a short amount of time. This is because LightsOn Products are high-quality, portable, hand-held devices that mimic the electrical connection between vehicles and trailers. This means trailer lights can be inspected without a vehicle, eliminating the hassle of backing the vehicle and/or moving trailers to get to the one you want to inspect. With LightsOn Products, Trailer Rental Companies can expect an 80% increase in efficiency.

Trailer Sales Distributors

Trailer Sales Distributors must stay on top of trailer maintenance in order to avoid roadside DOT inspections and fines. LightsOn Testing Equipment provides an efficient and effective way to inspect large lots of trailers in a short amount of time. This is because LightsOn Products are high-quality, portable, hand-held devices that mimic the electrical connection between tractors and trailers. This means trailers can be tested while stacked. Furthermore, “lighting-bling” installed on higher-end trailers can be shown off more effectively. With LightsOn Products, Trailer Sales Distributors can expect an 80% increase in efficiency as well as a new sales tool.

Marine Service and Sales

Marine Trailers are one of the largest trailer segments in the country, with over 12.1 million registered. Maintaining these trailers is vital and often the responsibility of Marine Service and Sales companies that provide trailer inspection and maintenance. LightsOn Testing Equipment provides an efficient and effective way to inspect many trailers in a short amount of time. This is because LightsOn Products are high-quality, portable, hand-held devices that mimic the electrical connection between trucks and trailers. With LightsOn Products, Marine Service and Sales companies can expect an 80% increase in efficiency and identify electrical problems accurately.

Corporate Trucking Fleets

Corporate Trucking Fleets must stay on top of trailer maintenance in order to avoid roadside DOT inspections and fines. LightsOn Testing Equipment provides an efficient and effective way to inspect entire fleets in a short amount of time. This is because LightsOn Products are high-quality, portable, hand-held devices that mimic the electrical connection between tractors and trailers. With LightsOn Products, Corporate Trucking Fleets can expect an 80% increase in efficiency.

RV Trailer Retailers

RV Trailer Retailers have large lots of RV Trailers, all of which must be inspected per DOT regulations. LightsOn Testing Equipment provides an efficient and effective way to inspect high quantities of trailers in a short amount of time. This is because LightsOn Products are high-quality, portable, hand-held devices that mimic the electrical connection between a truck and trailer. With LightsOn Products, RV Trailer Retailers can expect an 80% increase in efficiency.

Semi-Truck Maintenance

Semi-Truck Maintenance Facilities must check trailer lights and air-brakes frequently. This is often accomplished using a tractor, which prolongs the inspection. LightsOn Equipment provides an efficient way to inspect high quantities of tractor-trailers quickly. This is because LightsOn Products are high-quality, hand-held devices that mimic the electrical connection between a tractor and trailer. With LightsOn Products, Semi-Truck Maintenance Companies can expect an 80% increase in efficiency.

Product Details

LightsOn 4-Flat C

The LightsOn 4-Flat C is a consumer trailer-light tester designed for use with small utility trailers, boat trailers or RV trailers.  The tester includes the popular 4-flat connection, allowing users to plug the device into the trailer and provide the same voltage and user inputs (e.g. Brakes, Blinkers, Flashers, etc.) as they would if they were connecting a vehicle to the trailer.  This allows for significant time savings and eliminates the need for a vehicle to be the power-supply when checking trailer lights.  The 4-Flat C uses four CR-123a batteries.  These batteries can be found at your local retailer or online when they need replacement.

Save time, fuel and prevent accidents during inspections by using the 4-Flat C. This handheld device is ideal for occasional trailer light testing and safely tests up to 5 amp circuits.

Product Features

  • Lightweight, portable, ruggedized case
  • Rubberized, comfort side grips
  • Internal replaceable fuse
  • CR-123a batteries
  • MSRP $79

For more information on wholesale pricing, please contact us.

LightsOn 4-Flat I

The LightsOn 4-Flat I is an industrial trailer-light tester designed for use by individuals and businesses with multiple trailers and haulers.  This device tests both the trailer side and vehicle side and uses LED indicator lights to display information.  The tester includes the popular 4-flat connection, allowing users to plug the device into the trailer and provide the proper power and user inputs (e.g. Brakes, Blinkers, Flashers, etc.) as they would if they were connecting a vehicle to the trailer.  This allows for significant time savings and eliminates the need for a vehicle when checking trailer lights during mandated DOT inspections.   

Improve efficiency during fleet inspections.  The 4-Flat I gives you all the benefits and functions of the 4-Flat C at an industrial scale.  Use this handheld device during daily trailer light testing and safely test up to 5 amp circuits.

Product Features

  • Rechargeable
  • Lightweight, portable, ruggedized case
  • Rubberized, comfort side grips
  • LED indicators for trailer/vehicle circuit testing
  • Low Battery and over-current indicators
  • Internal replaceable fuse
  • MSRP $209

For more information on wholesale pricing, please contact us.

COMING SOON!