... / Electromagnetic) 1) Product Model : 80" (4:3) 2) Board Material(Appearance) : Caigang foam board 3) Induction Mode : infrared 4) Resolution : 4096×4096 ... 10) Scanning Rate : first point 21ms,container point 5ms 11) Board Size,Digonal(Inch) : 80" 12) Active Area(mm) : 1625x1175mm 13 ... glass, mask, record, save, playback, print, email, etc. 2012 Teaching white board 80"4:3