A trailer for vehicles having trailer lights that are mounted on stanchions present on the left rear and right rear corners of the trailer. An electrical light is mounted at an elevation so that the driver can see the front of the electrical light from the driver's seat of the towing vehicle. The electrical light is formed so that light is emitted both toward the rear of the trailer and toward the front of the trailer. The housing for the electrical light comprises concave lenses that are positioned so as to be resistant to breaking.