Acer Projectr \\X1128hk 4800 Lumen

Native resolution 800 x 600 maximum resolution 1920 x 1200 standard mode brightness 4800 lm native aspect ratio 4:3 contrast ratio 20,000:1 digital zoom 2x vertical keystone correction -40°/+40° maximum vertical sync 120 hz maximum horizontal sync 100 khz minimum vertical sync 24 hz minimum horizontal sync 15 khz colour supported 1.07 billion colors (30-bit) lamp number of lamps 1 lamp power 220 w interfaces/ports number of usb ports 1 usb yes number of audio inputs 1 number of audio outputs 1 audio line in yes audio line out yes technical information projection system dlp projection method front rear ceiling rear ceiling video compatibility ntsc pal secam hdtv edtv sdtv computer compatibility windows pc mac pc google chrome pc audio number of speakers 1 speaker output power 3 w speaker output mod mono speaker output mode mono power d