TRACEBoard digital interactive whiteboard is the hi-tech product developed by Beijing Really Sun Technology Co., Ltd., and its personalized design facilitates your usage. You may not only control PC with the digital interactive whiteboard, but also write, note or illustrate on it.Feature: 1, Meet educators share ideas and get answer from TRACEBoard Interactive Whiteboard.2, Share teachers' passion to improve the quality of education through the use of interactive technology. 3, Turn your computer into a powerful presentation tool.4, Begin with a lesson, end with an innovationMain parameter: Name TRACEBoard Interactive WhiteboardModel TB-650 TB-660 TB-680 TB-6100 TB-6120 Technology Electromagnetic SensingPacking dimension (mm)1130*940*195 1400*1100*195 1800*1400*195 2280*1400*195 3100*1805*195 Aspect rati 4:3 4:3 4:3 16:9 16:9 Active diagonal size 42 59 78 95 120 Gross weight ( KGs) /Ctn 15.5 23.5 37.5 45 115 Qty / 20" /40"container (Ctn)148/296108/216 61/122 50/116 20/50 Standard accessory 10M USB Cablewall-mounted bracket2 electronic pens Software CD User manual&Quick start guide Warranty CardOptional accessory Mobile Floor stand / RF/writable surface Certification CE/FCC/RoHS/CCC/ISO9001-2000 Warranty 5 years Lead Time 3 days or 20 days depend on the quantity