vga(640 x 350) to uxga(1600 x 1200) projection system : dlp technology by texas instruments lamp : 280w, 2000/3000 hours (normal/economic mode) brightness : 3500 ansi lumens contrast ratio : 2800:1 (full on/full off) image size : 34" to 300" throw ratio: 1.9(wide) ~ 2.2(tele), 52"@2m lens: f=2.55~2.72 , f=21.3~24.5mm , zoom ratio : manual zoom, 1.15:1 display colours full 16.7 million colour palette aspect ratio: 4:3 native / 16:9 selectable horizontal freq (khz) : 31-90 khz vertical scan rate : 50-85 hz projection position : front/rear, table/ceiling input terminals: pc: analog rgb: d-sub 15 pin x 1, dvi-i(hdcp supp) x 1 input terminals : a/v: hdmi(v1.3) x 1 , dvi-i(hdcp supp) x 1 component video: d-sub 15 pin (shared with analog rgb connector) s-video: mini din 4 pin x 1 , composite video: rca x 1 input terminals : audio : stereo mini jack x 1 , rca(l/r) x 1 output terminals: pc: d-sub (15 pin) x 1, stereo mini jack x 1 audio : 3 watt speaker x 1 video compatibility : ntsc/pal/secam power consumption : 350w, standby <5w dimensions: (wxhxd) 325 x 95 x 254 mm ; weight : 3.4 kg 1300 130 336 for technical support parallel imported warranty: warranty one year delivery within 2-4 business days