Modelx1900 languagesother simplified chinese english connectionwired lamp typeled projection technologylcd native resolutionwxga 1280x800 supported resolutionwxga 1280x800 brightnesslumens350 brightness range100 to 999 lumens aspect ratio43 and 169 contrast ratio8001 projection screen size inch50 150 throw ratio range digital keystone correction15 projector typehome theater projector