Russian-English English-Russian Electronic Dictionary Brilliant S300 Non-talking, more than 1,000,000 words and phrases. English-English dictionary American Heritage with definitions of more than 120,000 words. English thesaurus Roget's Thesaurus= with definitions and more than 500,000 synonyms. Personal user dictionary allowing storage of more than 30,000 additional words. Phonetic transcription, part of speech indicator. Quick word find feature. Bilingual English and Russian screen interface and keyboard. Adjustable screen contrast. Screen back light and auto shut off. Local and world date and time display for 217 cities. Calculator allowing entry of up to 12 decimal places.Metric converter for temperature, length, weight, volume, and area. Two popular games "Guess the word" and "Guess the number"Automatic shut-down after several minutes of inactivity. Dimensions: 132 mm x 78 mm x 15 mm. Weight:(without batteries)80g,(with batteries)102g. Screen: Four-line STN 127 x 32 pixels Keyboard layouts: standard English QWERTY and Russian. Headphones, two AAA batteries, Russian/English Manual, leather pouch. One year limited warranty