CPL64 Lite-it truck tail light with Marker, Brake, Turn, & Bright Backup light Standard 3 stud configuration Grounding through stud 3 wire pigtail 6-3/4"H x 5-3/4"W x 2-3/4"D & threaded studs are 1" long 16 LEDs for S/T/T function 36 LEDs for Backup light function Reflective outer edge for added safety CPL64 is similar to Maxxima M42220, Truck Lite SS5070, and Truck Lite SS5071.