Wesbar Waterproof Low Profile Trailer Tail LightThese Wesbar waterproof trailer tail lights feature a reliable waterproof design with a replaceable capsule that protects the bulbs from corrosion and thermal shock. These lights meet FMVSS/CMVSS 108 requirements for trailers over 80" wide when properly mounted. Best-selling, most reliable "waterproof" design available in the industry.; Designed for 2' or 4' Wide x 4' High areas; Meets FMVSS/CMVSS 108 requirements for trailers over 80" wide when properly mounted; 1 Year limited warranty; Dimensions: 8.03" Length x 2.94" Height x 2.83" Depth