Philips 239C4QHSB/00. Display diagonal: 584.2 mm (23 "), Response time: 7 ms, Display brightness: 250 cd/m². Tilt angle: -3 - 15 °. 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, Operating relative humidity range: 20 - 80 %