Inspiron 17 7000 + S2240T

I just bought Dell Touchscreen and I'm planning to buy "Touch" laptop. I want to know if its possible to reach in option "extends displays"

3840*1080 touch desktop, or both touch screens will reffer to main display.

Thanks a lot for replies.

http://accessories.euro.dell.com/sna/productdetail.aspx?c=uk&cs=ukdhs1&l=en&sku=796963

http://www.dell.com/uk/p/inspiron-17-7737/pd.aspx?c=uk&cs=ukdhs1&l=en&s=dhs&~ck=mn