Specifications:

18.5 inch intelligent stand-alone version of the vertical screen]

18.5 inch Android network [vertical screen]]

18.5-inch intelligent stand-alone version of the "horizontal screen]

18.5 inch Android network [horizontal screen]]

22 inch intelligent stand-alone version of the vertical screen]

22 inch intelligent stand-alone version [horizontal screen]]

22 inch Android network [vertical screen]]

22 inch Android network [horizontal screen]]

18.5 10.1 inch intelligent stand-alone version of the vertical screen]

18.5 10.1-inch intelligent stand-alone version [horizontal screen]]

18.5 10.1-inch Android Network Edition [Vertical Screen]]

18.5 10.1-inch Android Network Edition [Horizontal Screen]]

22 10.1 inch smart stand-alone version [vertical screen]]

22 10.1 inch smart stand-alone version [horizontal screen]]

22 10.1 "Android Network Edition [Vertical Screen]]

22 10.1 "Android Network Edition [Horizontal Screen]]