... ZC-M271 With 2 Lan Computer,4*USB 2.0,2*RJ45, 1*VGA,1*LPT,2*RS-232,WIFI Computer, Mini Linux Computer Main Features ... Resolution640x480, 800x600, 1024x768,1280x1024,1920*1080.....I/O Port4*USB 2.0,1*SPK , 1*MIC, 1*PS2,1*VGA with 15 ... of Monitor ZC-M271 With 2 Lan Computer,4*USB 2.0,2*RJ45,1*VGA,1*LPT,2*RS-232,WIFI Computer,Mini Linux Computer