The product is a vintage Guide R-38A tail light assembly for Oldsmobile models 66, 68, 76, 78, and 88 from 1948. It features a red lens, measures 5" in length and 2 1/16" in width, and is designed to be placed on the rear of the vehicle. The tail light assembly is an original equipment manufacturer part made in the United States, making it a unique and authentic piece for classic car enthusiasts looking to restore their vehicles to their original condition.