Philips 239C4QSB. Display diagonal: 584.2 mm (23 "), Response time: 7 ms, Display brightness: 250 cd/m². On Screen Display (OSD) languages: DUT, ENG, ESP, FRE, ITA, POR, RUS. Input voltage: 100 - 240 V, Input frequency: 50/60 Hz, Power consumption (standby): 0.3 W. Width: 550 mm, Depth: 34 mm, Height: 337 mm. Operating temperature range (T-T): 0 - 40 °C, Storage temperature range (T-T): -20 - 60 °C, Relative humidity: 20 - 80 %