... ", 19", 22". 4 Operating system Windows2000 / Windows XP/ Windows7 5 Machine enclosure Cold-rolled Steel, thickness:1.0-1.5mm. Paint ... . 7 Color Red, Grey, Silver, Yellow,etc. 8 Packing Polywood case 9 Optional parts Card reader, printer, barcode reader, metal keyboard ... camera, WiFi,etc. 10 Other Photos LQ-ZF02 Advertise internet machine ZF02