39" Vision X EVO Prime LED light bars, 240 watts total remain a popular choice with racers and are available in either a 20° medium/narrow beam or a wider 40° medium/wide beam. Loaded with our best LED chips, our best electronic drivers and advanced thermal management. Industry leading optics and heavy duty construction. IP-68 rated means waterproof and dustproof. Extruded and powder-coated 6061 aluminum housing and a shatterproof polycarbonate lens designed specifically to withstand the abuses of high speed desert and rally racing.