RedSea doesn't just deliver automotive lighting with H4 Led Bulbs; they bring an industry transformation. Using the latest technology and combined industry experience, we craft bulbs that address the needs of the automotive industry. Each of bulbs is tested for maximum performance for any environment including extreme heat, extreme cold, and the most severe vibrations. Our R&D never rests and continually innovates to create bulbs that become smarter and bright. We also provide the most complete OEM and ODM services because we understand the importance of our customers and the need to provide quality beyond production. The global automotive industry is moving towards sustainable solutions and we are leading with our H4 Led Bulbs. They provide a reliable and efficient energy solution for the modern day vehicle.