Hanns.G HE225DPB. Display diagonal: 546.1 mm (21.5 "), Response time: 5 ms, Display brightness: 250 cd/m². Number of loudspeakers: 2 pcs, RMS rated power: 3 W. On Screen Display (OSD) languages: DEU, DUT, ENG, ESP, FRE, ITA, JPN, KOR, POR, RUS, SCR. VESA mounting interfaces compatibility: 100 x 100 mm, Tilt angle: -5 - 17 °, Cable length: 1.5 m. Input voltage: 100 - 240 V, Input frequency: 50/60 Hz, Power consumption (standby): 0.5 W