Sensitive Smart board 1.4000 Square Meters Factory 2.100 ... Price 4.CE/FCC/ROHS/ISO9001 102 inch Sensitive smart boardInteractive whiteboards are used in lecture or classroom environments ... Consumption Less than 2W Functions Draw, write, edit, eraser.Smart pen,color fill,. Mathematics graphics Ruler,compasses,protractor, calculater, ... 12 years service lives.FactoryPacking 102 inch Sensitive Smart board