http://www.polingdisplay.com/i....nteractive-flat-pane Inch Android 8.0 3G+32G Interactive Flat Panel for Classroom
1. UHD 4K, LED screen, support display models of 16:9, 9:16 (Horizontal/Vertical) etc.
2. Multi-groups of on/off time schedule could be setted remotely and control the display through Internet.
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