Uriah Products UL840011 4-1/2" Square Red LED Signal Light (Under 80" with License Light ? Left Side) Uriah Products UL 840011 is a 4-1/2" square, red LED stop/tail/turn/signal trailer light for trailers under 80" long. This light is stud-mounted, with the bolts 2" apart, and features a 12V DC two-wire output. It includes license illumination, making it perfect for the left side of your trailer. This item meets all applicable SAE standards and meets or exceeds all DOT standards for trailers under 80". Features For trailers under 80" wide only Includes license illumination Use on left side of trailer Stud-mount bolts for easy installation Meets or exceeds all DOT standards for trailers under 80" USA SHIPPING estimates delivery times and we work to get your item to you as quickly as possible and within those times, but please know it may take slightly longer than the estimate.