... smart board 2,Resistive Technology 3, Proportion:4:3 4, Resolution: 8,192x8,192 5, Operate by finger or pen Interactive smart board ... specifications:1, Board Dimension :1775mm×1350mm×38mm2, Active Writing area ... USB cable5 meters,30 meters (optional)Accessory boxCDTM board suite softwareUser manual (PDF) MaterialUser manual,certification,guarantee ...