Elo TouchSystems 1938L 19" Open-Frame. Display diagonal: 482.6 mm (19 "), Response time: 7.3 ms, Display brightness: 270 cd/m². Power consumption (typical): 34.8 W. Dimensions (WxDxH): 444 x 47 x 297 mm, Weight: 4800 g. Colour of product: Black. Operating temperature range (T-T): 0 - 40 °C, Storage temperature range (T-T): -20 - 60 °C, Operating relative humidity range: 20 - 80 %