http://www.polingdisplay.com/i....nteractive-flat-pane
86 Inch Android 8.0 3G+32G Interactive Flat Panel for Classroom
Support Android system and Windows system
Users can switch between Android system and Windows system at will, and support to link various external devices to meet different teaching needs and meeting needs.
QR code function
You can generate a QR code from the written content. Any mobile device can quickly get the content written on the big screen by scanning the QR code. From then on, get rid of the notebook