Benq GL2250M. Display diagonal: 546.1 mm (21.5 "), Response time: 5 ms, Display brightness: 300 cd/m². Number of loudspeakers: 2 pcs, RMS rated power: 2 W. VESA mounting interfaces compatibility: 100 x 100 mm, Tilt angle: -5 - 20 °. Input voltage: 100 - 240 V, Input frequency: 50/60 Hz, Power consumption (standby): 0.3 W. Weight: 3.7 kg, Width (with stand): 524 mm, Depth (with stand): 173 mm