1,Interactive white board 2,Resistive Technology 3, Proportion:4:3 4, Resolution: 8,192x8,192 5, Operate by finger or pen Interactive white board specifications:1, Board Dimension :1775mm×1350mm×38mm2, Active Writing area:1643mm×1226mm3, Proportion:4:34, Resolution:8192×81925, Indication Tolerance:<2mm6, Response Speed:15 ms7,Touching Pressure :70g8,Writing Method:Finger or a pen9,Power Supply: ...