The Blazer CW1544R LED 4" oblong red clearance and marker light is designed to conform to applicable US FMVSS108 and Canadian CMVSS safety standards for clearance lighting. Light features a multi-faceted reflector for a unique appearance. The life of a LED light far exceeds traditional incandescent lights and draws significantly less power than traditional halogen bulbs. The acrylic lens snaps and seals onto ABS housing. The electronics are sealed in epoxy to resist corrosion and moisture.