Set of 6 Round 4" Back-up Reverse LED Light Kits Include Grommet, Plug Clear Lens White Light Truck Trailer RV 25108C-WK DOT approved. Easy installation. 12-diode square LED light Operates from 9-16 volts Back up Reverse clear lens, white light 4 5/16" diameter.Acrylic lens is sonic welded to the housing