The MWD-465 Merriam-Webster Intermediate Dictionary with Spell Correction is a voice output dictionary designed to enhance language and vocabulary skills for sixth grade or older students with cognitive disability or speech impairment, or who are blind or have low vision. It offers auditory feedback by pronouncing words out loud. This portable dictionary has a QWERTY style keyboard and a liquid crystal display (LCD). The MWD-465 includes a comprehensive Merriam-Webster Intermediate Dictionary with over 274,000 definitions; a thesaurus with 500,000 synonyms and antonyms; language-building exercises using SAT word list; and games and puzzles such as MatchMaker, Classmates, and Confusables. It features phonetic spell correction, custom word lists maker with My Vocabulary, a calculator, a currency/metric converter, databank, and a local/world clock. POWER: Uses two CR2032 lithium batteries (included). DIMENSIONS (DxLxW): 1.79 x 7.42 x 9.68 inches. WEIGHT: 8 ounces with package. WARRANTY: 1-year limited warranty.