This 1989 Vintage Franklin Bookman Dictionary & Thesaurus MWD-440 is a gem for anyone seeking a reliable handheld electronic dictionary. It features spell correction, 274k definitions, games, 496k synonyms, and original inserts. This device is powered by batteries and has been tested and confirmed to be in perfect working condition. Item has all original parts, working battery, and zero damage or flaws. Very cool vintage electronic!