... Low-power consumption 4. Iron housing Model: 21.5 inch Indoor LCD Digital SignageCategory: Digital SignageHD Digital SignageMarket Application:Airport, bus ... station, subway, building, shopping mall, etc.Featuresl Digital display with LCD ... 2Gl DDR2 256Ml 21.5 inch TFT-LCD, resolution 1024×768l 21.5 inch four ...