Lumitronics Marker Light For Safety At Night - Great Replacement Light for RV, Trailers, Campers, 5th Wheels - Red FEATURES: Rugged ABS base and acrylic snap-on lens SAFETY: The molded socket protects bulb from road shock and has two wires to eliminate surface ground DURABILITY: The molded grommet extends through the skin to protect the wiring SPECIFICATIONS: 4 inches X 2 inches X 1-1/8 inches depth GREAT FOR RV, 5TH WHEELS AND TRAILERS