Lcd projector resolution 1 024 x 768 pixels horizontal frequency range 14 93 khz vertical frequency range 47 93 hz brightness 5 000 ansi lumens contrast ratio 2 0001 lamp life 3 000 h lamp technology hpm lamp power 275 watt picture format 43 focus manual keystone correction vertical 30 connections dvi d s video rs 232c vga output d sub vga input d sub convenience features multilingual osd keystone correction applications business ins