Completely sealed, potted trailer lights work just as well underwater as out. Low-profile kit comes with right and left multi-function taillights, 25' wishbone wiring harness, license plate bracket, galvanized wire harness clips, and stainless steel hardware. Standard two-stud mounting. Taillight measures 2-7/8"H x 8-1/16"W x 2-13/16"D . DOT approved.