Wesbar 403026 Waterproof Over 80" Low Profile Trailer Light Waterproof low profile design, 8-Function, Left/Roadside Bulb replaceable capsule that protects the bulbs from corrosion and thermal shock Two supply wires and ring terminal ground Meets FMVSS/CMVSS 108 requirements for trailers over 80-Inch wide when properly mounted Dimensions: 8.03" x 2.94" x 2.83"