... screen 3.5" Color touch screen payment terminal,Windows CE 6.0 OS,Credit card reader,MSR,ICR,VS.NET C# programming ... LCD caharacter height min 7 mm ( you can use graphic display)Keyboard PCI-PED compliant, alphanumerical keysCash register function keysSection keysSubtotal ... . Range 3.5" Color touch screen payment terminal,Windows CE 6.0 OS,Credit card reader,MSR,ICR,VS.NET C# programming ...