This is a 1.5m long boxed PVC plastic section measuring 140(H) x 18(D)mm. It has plastics end caps. On each side of the board is a waterproof (IP65) LED light assembly measuring 90 x 100mm, containing LED red tail, stop and amber turn lights, along with reflectors. The whole unit comes with 8 metres of power connector cord, approved flat connector and number plate light. Connector holes provided to attach to the rear of the boat trailer would work with box trailers as well.