Acer x133pwh professional and education projector brightness 3100 ansi lumens projection technology dlp projector native resolution wxga 1280x800 service life of lamp 5000h lamp power 190w service life of lamp economic mode 6000h focus manual focal length range f f 21 86 24 mm aperture range f f 2 5 2 6 analog signal format system ntsc pal secam supported graphics resolutions 1280 x 800 wxga 1920 x 1200 wuxga vertical scan range 24 120 hz horizonta