Bersub has been illuminating underwater life since 1988

Bersub is a leading French company in the field of underwater lighting.. Since our foundation in 1988, we have been committed to providing high quality products to meet the needs of both professional and recreational divers. Thanks to our expertise and passion for innovation, we have developed a range of scuba diving lights that are renowned for their exceptional reliability, performance and durability.


Our commitment to quality is reflected in the partnerships we have established with organizations such as the French Navy, Police, Firefighter, CNRS and IFREMER, who use our products in their most critical missions. We are proud to contribute to their success by providing them with reliable, high-performance underwater lighting.

Innovation at the service of passion

At Bersub, we believe that innovation is the key to our success. We are constantly on the lookout for new technologies to improve the quality of our products and meet the needs of our most demanding customers. We also work closely with professional and recreational divers to understand their needs and expectations, so we can offer products that perfectly meet their requirements.

In our workshops at Saint Genix sur Guiers in Savoie - France, we manufacture both series products and custom-made prototypes for all types of diving (Explo, Photo, Video, Tek...), ROVs... but also for specific lighting installations (caves, fountains, basins...), as well as specific products concerning user safety with the production of lifelines.

Bersub lighting fixtures are designed and manufactured in France to guarantee product excellence and a 10-year spare parts service.

We use only the best materials and components to guarantee long-lasting, high-performance products.

Our commitment to our customers doesn't end with the quality of our products. We're proud to offer first-rate after-sales service, with a dedicated team on hand to answer any questions or concerns. We believe that our focus on quality, innovation and service is the key to our continued success, and we look forward to helping you find the product that best suits your underwater lighting needs.

The advantages of buying a BERSUB product


All Bersub products benefit from over 35 years of know-how, and the safety of our users is paramount. That's why we develop lighting with patented, safe technologies: 

  • Patented safety valve to prevent internal overpressure.
  • Thermal safety during charging and discharging.
  • Waterproofing up to 300 m by Teflon-coated double O-ring seal.
  • Electronics control battery charging and discharging.
  • Electronics control of the light source.


Our products are designed, manufactured and assembled in France. They are subject to rigorous specifications and comply with European Community (CE) requirements. All our diving lights are tested in hyperbaric chambers to pressures of over 30 bars, and undergo quality control throughout the assembly process. 

  • NiMh battery and Lithium for greater reliability and autonomy.
  • Microcontact waterproof and self-cleaning.
  • Aluminum head marine-grade hard-anodized.
  • Extra-high LED power sorted and matched for color-neutral luminous flux.
  • Components high-quality electronic and mechanical components.
  • Double sealswith Teflon coating.


All our products come with a 2-year parts warranty (battery included) and labor, excluding parts subject to wear, impact, overheating or misuse.

After-sales service

Our authorized dealers benefit from our responsive, high-performance after-sales service. If you have any queries, please do not hesitate to contact us. list of distributors. You can also contact us via contact form.

  • Your email inquiries will be answered within three days.
  • Fast repair times: 1 to 3 weeks maximum after acceptance of quotation.

A design office at your service

Bersub is also a design office specializing not only in underwater lighting, but also in the design of lighting solutions and products used in hostile environments. Whether for underwater or land-based applications, our engineering department will work with you to create the right product for your needs.

Don't hesitate to tell us about your future projects, and we'll help you make them a reality.