... Short Throw; 3, Touch gestures; 4,Finger Writing. digital interactive whiteboard:Features 1, Object awareness: You can switch seamlessly ... 150’’;4, Turns LCD Screen into Interactive Whiteboard;5, Portable, Reliable, Simple installation;6, Automatic Calibration;7, Remote ... 3D Touch + Projector + Ordinary Whiteboard = Interactive WhiteboardNot just digital, but you can also write on with drywipe pen 4 ...