ECTACO Bidirectional Talking Dictionary wilth Universal Organizer ECTACO English Persian(Farsi) Partner EFa400T 450,000 words; translates in both directions. Fits in your pocket: 4.6x3.5x0.6 in, only 4 oz. Large, 5 line high-resolution graphic screen makes for natural, smooth font appearance that is easy on your eyes. Vector Ultima spell-checker allows you to enter words as you hear them and choose a spelling from the list of suggestions. Organizer, calculator, business scheduler; Batteries included! (2 AAA)