Lamp functions as a marker, clearance, ID and supplemental high-mount stop or turn lamp Supplemental high-mount function provides greater visibility in a location that normally serves as an ID function or clearance functionSealed Turtleback II lens profile makes lamp more durable and impact-resistant Circuit board coated with encapsulate potting provides protection form vibration, corrosion and moisture Three-wire termination LED lamps are an excellent light source that consumes less power.Yellow