iiyama LH5042UHS-B3. Product design: Digital A-board. Display diagonal: 125.7 cm (49.5"), Display technology: VA, Display resolution: 3840 x 2160 pixels, Display brightness: 500 cd/m?, HD type: 4K Ultra HD. Operating hours (hours/days): 18/7. Operating system installed: Android 8.0. Product colour: Black