Key layout is identical to your computer"s keyboard.This smart design saves you time andhassle searching for the desired keys. It also dramatically eliminates eye fatigue.Expandable - add other dictionariesMore dictionaries are currently planned for use in this model, such as other languagesand special interest Hebrew dictionaries.Slim, high quality batteriesBabylon uses two CR2032 batteries (same kind that are used with high precision fine electronic instruments such as digital cameras).Huge 16 MB memory!10 to 20 times greater capacity than the average Hebrew/English dictionary.Babylon also includes a Calculator, phone directory, Metric converter, Currency converter, and a City, Date and Time section.