Elo TouchSystems 1919L. Display diagonal: 469.9 mm (18.5 "), Response time: 5 ms, Display brightness: 200 cd/m². Power consumption (typical): 18.5 W, Input voltage: 100 - 240 V, Input frequency: 50/60 Hz. Dimensions (W x D x H) with stand: 454 x 236 x 321 mm, Weight with stand: 6800 g. Colour of product: Grey. Number of loudspeakers: 2 pcs