The Hopkins Towing Solutions LED Rectangular 3 3/16in. Clearance and Side Marker conforms to applicable U.S. FMVSS108 and Canadian CMVSS safety standards for clearance lighting. The ear-mount design provides for an easy surface mount application and the single wire design grounds through the mounting hardware. Three high output LEDs provide for maximum visibility and light output. The life of a LED light far exceeds traditional incandescent lights and draws significantly less power than traditional halogen bulbs. The electronics are sealed in epoxy and the polycarbonate lens and acrylic housing are sonic welded to prevent moisture and corrosion.