LED Features: * 304-grade polished and passivated SST trim ring over the top of the lip on the beverage holder, outlines LED light to flow to the sides, illuminating the beverage holder"s lip. * Soft light for evening use. * Unique design allows use with most SST and plastic beverage holders. * 16-gauge wire harness for direct installation to electrical system. * Two exterior grooves parallel to top lip, 1/2" down and 3/4" down, to hold locking "O" ring for secure installation. * Drain system accommodates either 5/8" or 3/8" hose attachment. * Caulking groove under lip. * UV-enhanced foam insulator pad adhered to inside bottom. * Made from opaque polymer material and acrylics. Included is a 2-stage Rubber Cup Insulator: * Optional full form 2-step high UV-molded rubber insulator fits tight within the Lighted Beverage Holder. * Rubber tabs secure beverages; allows for easy cleaning.