Interactive Whiteboard Model: TE-72 Screen Size: 72" ( 16: 9) ( Size/ scale optional) Induction Type: Infrared Writing Type: Pen or finger Touch Preciseness: 8192* 8192 Consumption Current: d100mA Cursor Speed: e125 dots/ second Data Port: USB2.0/ Wireless RF2.4G/ RS232( optional) Positioning Accuracy: d 0.2mm Anti-light Intensity: Excellent, direct under the sunlight Transferring Rate: 12M/ S Scanning Rate: First point 25ms, consecutive points 8ms