Lenovo LT2323z, ThinkVision. Display diagonal: 584.2 mm (23 "), Response time: 7 ms, Display brightness: 250 cd/m². Number of loudspeakers: 2 pcs, RMS rated power: 3 W. VESA mounting interfaces compatibility: 100 x 100 mm, Swivel angle: -45 - 45 °, Tilt angle: -5 - 30 °. Input voltage: 100 - 240 V, Input frequency: 50/60 Hz, Power consumption (standby): 0.5 W. Width: 545.3 mm, Depth: 56.4 mm, Height: 387.2 mm