Infocus INF5520. Display diagonal: 1397 mm (55 "), Display type: LCD, Display resolution: 1920 x 1080 pixels. Input voltage: 100 - 240 V, Input frequency: 50/60 Hz. Colour of product: Black. Number of loudspeakers: 2 pcs, RMS rated power: 10 W. Operating temperature range (T-T): 10 - 40 °C