Practical,durable and resistant,4-wire/5-wire resistive touch screen,widely applied ... 15 portControllerUSB/COM port (Optional)DC AdapterDC12V5ACircumstance Condition:Operation Temperature-10 ~ 35oCStore Temperature-20 ~ 60oCOptional Fittings:Customer DisplayOptionalMagnetic Card ... FCC, CE,ROSH,CB,CCC Maple Flat Panel Touch PC/All-in-One pc/computer(10.4",15",17",19" ,22"available)