Red Clearance/Side Marker Light - When this light is mounted at a 45 degree angle, it may be used as a combination clearance and side marker light. This is a sealed light, with the lens welded to the housing to form a single unit. It requires a seperate mounting bracket and electrical connector (not included). Mounting screw serves as ground when mounted to a metallic surface with single lead wire for electrical connection, and the #154 series has male pins. This light comes with 2 - 1,500 hour long life bulbs. Red lens in color. Dimensions: 3-13/16 inch L x 1-1/4 inch W x 7/8 inch D. 1 per package.