supply multi-touch saw touch screen for all size

The Specification of Controller for multi-touch inWindows XPSupport O/S:Windows XP.windows 7Interface:RS232:Need to install the touchscreen driverFunctional parameter:The application of multi-touch in XP should cooperate with theapplication software at the customer end to match those definitionMicrosoft made for all the multi-touch gesture action, such as zoom,scroll etc. Currently, In Google earth in XP, it can effect all the multitouchgesture action as Microsoft defined. The Specification of Controller for multi-touch inWindows XP