... 21ms,container point 5ms 11) Board Size,Digonal(Inch) : 80" 12) Active Area(mm) : 1625x1175mm 13) Outer Size : 1705x1250mm 14) ... cover, record, etc.Record, Multi Pens Choice & Other Function Dynamic Digital Sketchpad, rich Gallery Free design,free write with different colors ... amplify glass, mask, record, save, playback, print, email, etc. 2012 multimedia teaching equipment for school or meeting room