The TowSmart LED Trailer Light is ideal for multiple styles of trailers where LED lights are desired. It is a replacement light for the left side of your trailer and should be used on trailers under 80 in. wide. The light provides a waterproof, corrosion resistant housing that withstands harsh weather conditions. Functions as a tail light, turn signal on the side, brake light, license plate illuminator and offers built-in reflectors constructed from durable acrylic. The LED light has excellent illumination and offers a good replacement when only one light is out.