LCD technology: 7inchTOSHIBA LCD screenoverhead projector, LED lamp house Resolution :800*480 support 800*600 Brightness(peak lumen): 1800 lumens(TOSHIBA LCD) Image Reverse:yes contrast:600:1 lamp power:150w;lamp life: 2000 hours Menu language: English/Spanish/Germaninese/italy Aspect Ratio: 16:9 or 4:3 Screen Size:50-100inch Projection Method:front/ceiling mount Projector Size(cm):37*26*12 package: 2units/ctn keystone Correction:+/-15degress Certificate:CCC/CE/FCC video compatibility:NTSC/PAL/SECAN remote control:support interface: AV/TV/VGA/S-VIDEO,HDMI for choice