Reliable waterproof design. Lights have a bulb replacement capsule that protects bulbs from corrosion and thermal shock but still allows easy access for bulb replacement. Meets FMVSS/CMVSS 108 requirements for trailers over 80" wide when properly mounted. 8" x 2-7/8" x 2-3/4". Description 8-Function, Left/Roadside Pkg. Boxed