Elo TouchSystems 2020L. Display diagonal: 510.5 mm (20.1 "), Response time: 16 ms, Display brightness: 238 cd/m². Power consumption (typical): 50 W, Input voltage: 100 - 240 V. Dimensions (W x D x H) with stand: 439 x 247 x 566 mm, Weight with stand: 11000 g. Colour of product: Black. Certification: FCC, CE, UL