... 3.5 inch,262144 color, high quality, best price HMI, touch screen,dislay3.5 inch,262144 color,high quality, best price Specifications ... lightTouch Panel Type 4 wires resistive typecommunication port PC(USB)controller(RS232RS422RS485)internal storage 64M/FLASH+64M SDRAMCPU 32-bit200MHzRISCvoltage DC24V ... 92×77(mm)weight 0.2KGsoftware SamDraw3.3 SA series Touch screen