The product is a set of two Western Electric power units, specifically the Model Numbers 20A2 and 284B1. These collectible items are likely to be vintage pieces from the 1940s to 1960s, making them particularly interesting to collectors of electronics and telecommunications equipment. The Western Electric brand is known for producing high-quality telephones and other communication devices, so these power units may hold historical significance or be sought after for their craftsmanship and design.