dlp technology by texas instruments brightness : 2000 ansi lumen lamp : 220w, 2000/3000 hours (normal/economic mode) contrast ratio : 1000:1 (full on/full off) noise level : 37/34 db (normal/economic mode) resolutions supported : vga(640 x 480) to sxga(1280 x 1024) image size : 24" to 300" , throw ratio : 1.9 to 2.1:1 zoom ratio : manual zoom, 1.10:1 lens : f=2.56 ~ 2.67, f=21.36~23.45 mm display colours : full 16.7 million colour palette aspect ratio : 4:3 native / 16:9 selectable horizontal freq (khz) : 31 ~ 82 khz ; vertical scan rate : 48 ~ 85hz projection position : front/rear, table input terminals : pc : analogue rgb: d-sub 15 pin x 1 a/v : component video: d-sub 15 pin x1 (shared with analog rgb connector) s-video: mini din 4 pin x 1 ; composite video: rca x 1 output terminals: pc: analogue rgb: d-sub 15 pin x 1 audio: 1 watt speaker x 1 control terminals : serial connector : rs232 8 pin mini din video compatibility : ntsc/pal/secam auto switching power supply : 100 to 240 v ac, 50 to 60 hz power consumption : max 285w net dimensions (wxhxd) : 190 x 77.5 x 205 mm; net weight : 1.5 kg 1300 130 336 for technical support parallel imported warranty: warranty one year delivery within 2-4 business days