PW-E550 electronic dictionary delivers comprehensive knowledge of the English language in a convenient and compact design. Included New Oxford American Dictionary, Oxford American Thesaurus of Current English, Garner's Modern American Usage give you instant access to more than 250,000 definitions, more than 9,000 biographical and geographical entries, 350,000 synonyms and a grammar guide. Use filter search to find the required word you are searching for quickly and easily by typing the letters, and candidates for the matching word will appear. Super Jump enables faster cross-reference between dictionaries. Quick View displays the first line of each definition. Electronic dictionary offers a crossword solver, anagram solver, phrase search function, calculator, metric/currency converter. LCD display offers an 80 x 159 pixel capacity with a 9 x 12 dot zoom. Compact size allows it to fit into your pocket, briefcase, backpack, or purse. Weighs 5 oz. Runs on one AAA battery