TouchSystems V4270I-U. Display diagonal: 1066.8 mm (42 "), Response time: 8 ms, Display brightness: 500 cd/m². Power consumption (typical): 160 W, Power consumption (standby): 1 W. Colour of product: Black. Certification: UL, FCC Class B, C-UL. Operating temperature range (T-T): 5 - 40 °C, Operating relative humidity range: 20 - 80 %