Resolution: 800*600, support 720p, 1080i Brightness (Peak Lumen) 1600 lumen Image reverse function: Yes. Build-in Speaker yes Build-in TV Tuner yes Contrast 600: 1 Lamp Power 150W Lamp Life 6000hours Menu language English/Spanish/French/ German/Russ/Portuguese/ Chinese/Italy Aspect Ratio 16: 9 or 4: 3 Screen Size 60-100inch Projection Method front/ceiling mount Panel Color white /black(plastic) Net Weight 5kgs Gross Weight 6.5kgs Projector Size (mm) 29*21*11cm Carton Size (mm) 41*20*30cm Package 2 units/ctn Keystone Correction up and down 15 Degrees Certificate CCC, CE Interface AV, S-video, VGA, TV, HDMI, component video