... teaching more effecient and easier. It offer 28 kinds of languages, including English, Arabic, French, German, Italian, ... and evrionment-friendly. (2). High quality: Made of aluminium honeycomb pane and coated by special Nano material, ... writtten contents can be automatically stored in the computer with formats of Word, Excel, PPT, HTML, PDF, BMP ... pens. 82" IR interactive white board with smart pen tray