Built for dependable trailer visibility, the Carry On Trailer CO-MC42AS Amber Dual Bulb Bullseye Style Marker Light functions as either a marker light or clearance light when properly mounted. The dual-bulb configuration provides increased light output compared to single-bulb designs, while the distinctive bullseye-style lens enhances visibility. Featuring a durable ABS housing, acrylic lens, and surface-mount design, this light is engineered for reliable performance on a variety of trailers.