The Blazer B9534AR2 LED 3/4" fender mount clearance lights is designed to conform to applicable US FMVSS108 and Canadian CMVSS safety standards for clearance lights. Each light assembly contains one amber 3/4" round clearance LED and one red 3/4" round clearance LED with the amber light always facing forward and red always facing rearward. The life of a LED light far exceeds traditional incandescent lights and draws significantly less power. The durable fender light assembly is made of engineering grade plastic for long lasting durability. The pack includes a left-hand and right-hand side light, each featuring 8-inch lead wires. Easily installs on top of most cargo, recreational or enclosed trailer.