... . * Speaker: 2*5W. Dual Audio. Circle Stereo.* Interface: RJ45 network ports,and USB/VGA Ports,etc* Operating environment: Operating Temp ... can be installed the PC/Card reader/Code Scanner/thermal printer,WIFI,GPRS,3G model,bluetooth and UPS for power supply.* LCD screen ... Asrock G41 mainboard with Intel E3400 CPU), 250GB HDD, 1GB Ram, cooling fans, video card,10/100m net card, power supply, RJ45 ...