The Model 8800 Evolution 2 offers a 4" x 6" LED Headlight designed for heavy-duty trucks to be retrofitted with headlights that support NCAP compliance. Constructed with heated and non-heated versions, improved sealing and superior condensation management, and a wider operating voltage supporting DOT, ECE and military standards. A perfect application for commercial truck, bus and on-highway vehicles. J. W. Speaker specializes in the design and manufacture of vehicle lighting systems proudly designed, manufactured & assembled in the U. S. A.