Elo TouchSystems 2243L. Display diagonal: 546.1 mm (21.5 "), Response time: 5 ms, Display brightness: 225 cd/m². Power consumption (typical): 25 W, Input voltage: 12 V. Weight: 4800 g. Colour of product: Black. Certification: S-mark, C-Tick, cUL, IC, CCC, CE, VCCI, KCC, NOM, BSMI, UL, FCC, CB, RoHS, China RoHs, WEEE, IMERC