The Acer X1223HP projector displays images in 1024x768 px resolution. The display format is 16:9 and in such a format it is best to choose a projection screen. The DLP system is responsible for the high quality of the projection. The highest brightness of this projector is 4000 ansi lumens. The maximum achievable contrast is 20000:1. The weight of Acer X1223HP is 2.4 kg. The measured noise level in economy mode is 27 db . The projector can display up to 15000 hours without changing the light source!