85inch dual touch projection screen 1:Prompt shipment 2:Mixed container is welcome 3:write by Pen, fingers 85inch dual touch projection screenEco-friendlyWriting ... move current page to anywhere with two point touch, page up and page down, rotate with two point touch, zoom in ... , germany ect.4:There is a experienced export department.Widely sell to U.S.A, Canada, Switzerland, England, Germany, Greece, ...