Acer AT 2055. Display diagonal: 50.8 cm (20"), Display brightness: 300 cd/m², HD type: HD-Ready. Tuner type: Analogue & Digital. Colour of product: Black. Power consumption (standby): 1W, Power consumption (typical): 50W. Width: 50.3 cm, Depth: 8.9 cm, Height: 32.6 cm