Elo TouchSystems 1939L. Display diagonal: 482.6 mm (19 "), Response time: 25 ms, Display brightness: 225 cd/m². Power consumption (typical): 38 W, Input voltage: 100 - 240 V, Input frequency: 50/60 Hz. Dimensions (WxDxH): 415 x 51 x 343 mm, Weight: 5200 g. Colour of product: Black, Stainless steel. Certification: UL, cUL, TÜV-T, Argentina S, CE, FCC, VCCI, IC, C-Tick Class B, BSMI, MIC, CCC, China RoHS