Buyers Products 5 Inch Box-Style LED Stop/Turn/Tail Light for Trailers Under 80 Inches Wide is used on trailers to meet FMVSS/CMVSS 108 regulations. Two styles are available for driver (5625117) and passenger (5625111) side applications. The driver side version includes a built-in license plate light. The lights feature a red colored lens and built-in reflectors. They are hard wired with blunt cut ends. Lights are backed with a limited lifetime warranty.