Projection TechnologyDLP,Native ResolutionWXGA (1280x800),Supported Resolution1080P (1920x1080),Operation SystemAndroid 4.3,Brightness(Lumens)1500,Brightness Range1000 to 1999 Lumens,Aspect Ratio4:3 and 16:9,Contrast Ratio5000:1,OSD LanguagesChinese,English,Projection Screen Size (inch)30-300inch,Throw Ratio Range1:2:1,Lens1500,Video FormatsRM,VOB,...