IR Electronic Smart Board With Multi-Touch , Electronic Teaching Board

IR Electronic Smart Board With Multi-Touch , Electronic Teaching Board best sale Smart ir interactive whiteboard size list: Model Physical Size Effective Size Phase Ratio Physical Dimensions Packing Size Net weight Gross weight 5401 54" 48" 4:3 1133*807*33mm 946x1271x82mm 15kg 23kg 6201 62" 55" 4:3 1293*967*33mm 1107x1430x82mm 16kg 24kg 7801 78" 75" 4:3 1622*1293*33mm 1432x1762x82mm 20kg 28kg 8212 82" 79" 4:3 1744*1240*45mm 1376x1882x82mm 17kg 23kg 8501 85