High beam keeps low beam illuminated and adds two additional advanced optical D lenses with three projector senses for an incredibly wide optical pattern Made from heavy-duty, lightweight die-cast aluminum, the low-profile housing requires no trim ring and offers a plug-and-play installation Low beam consists of three high-power advanced optical D lenses and a DRL Durable polycarbonate lens for long-term durability Headlamps are SAE, DOT and ECE compliant. LAMP PROBEAM 7" BLACK