... ,wifi,3G,SATA optional 2,touchable screen 3,55 inch TFT LCD 55 inch e paper displayr/electronic display/digital signage ... Body colorChampagne, silver grey, black optionalEnviroment requirementWork Temperature0°C~55°CWork Humidity20%~80%(non-condensing)Store temperature-20°C~ ... internal chassis could support high - speed SATA hard optional 55 inch LCD wall advertising,electronic display,digital signage