... 2.OS: windows 7, xp, linux . 3.Material: Aluminum, 4.New Software:excel, translate,etc 5 Speed: 220p/s 1.Support 10 ... 28 languages for different user actual need, Support create any new language ,it would be no language problem for using interactve ... write by finger or pointer4)no radiation, protect environment, safe, New functions : fill gradient color, compass, insert table, edit table , translate ...