LCD technology 7 inch video projector, LED lamp house Resolution 800*480, support 800*600 Brightness (peak lumen) 1800 lumens (TOSHIBA LCD) Contrast 600:1 Lamp power 150W Lamp life 20000 hours Aspect ratio 16:9 or 4:3 Screen size 50-100 inches Projection method front/ rear projection Video Compatibility NTSC/ PAL/ SECAN Projector size (cm) 37*26*12 Package 2 units/ctn Keystone correction ±15 degress Image reverse Yes Interface AV/TV/VGA/S-VIDEO, HDMI for choice Certificate CCC/ CE/ FCC Menu language English/Spanish/Germaninese/Italy etc.