Characteristics: 1,touch screen;2,led flat glass;3 office/ ... presentations , video conference , education and tablet , expand the screen , share files, remote desktop, and so on .Specifications:1 ... . 42-inch Led Flat Glass Touch Screen2. Resolution of 1920 * 10803. Built-in 5 ... ,One Key Switch Top Quality 42inch Led Touch Screen All-In-One PC For School/Office/Public place /Home