LCD technology:5inch single LCD Resolution:800*600,support720p.1080i.1080p Brightness :1800lumens Image Reverse:Yes Build in Speaker:Yes Build in TV tuner:Yes Contrast :600:1 Lamp Power:150W Lamp Life :6000hours Menu language:English,German,French,Italy….. Aspect ration:16:9 or 4:3 Screen size:50-120inch Projection Method:Front and ceiling mount Panel Color:Black(plastic) Net Weight :5.5KG Gross Weight:6.5KG Projector Size(cm):31*25.5*9.5 Keystone Correction :±15degrees Certificate :CCC and CE Interface:HDMI,SCART,COMPONENT VIDEO,AV,TV,VGA speaker