The Optronics TLL36RK is a full kit that includes: STL36RB (passenger side), STL37RB (driver side), (2) MCL91AK sealed yellow marker lights with chrome bases, 25-ft harness, license plate bracket, and stainless steel mounting hardware. The STL36/37 series lights are LED combination tail lights designed for marine trailer application. They are sealed, waterproof construction. It has a universal mount and is hardwired with a separate ground wire. It is packaged in a retail clam. Lifetime LED Warranty