brightness: 2500 lumens ; contrast : 400:1 res : xga (1024x768 pixels) (native) ; sxga (1280x1024 pixels)(max) col : 16.7 million lens : f (focal length):(1.7-1.9)(f =21.8-26.2 mm);zoom ratio : 1.2: 1 zoom / focus : manual i/o ports : audio (2xi/p, 1xo/p),rgb(2xi/p, 1xo/p), serial control composite video, s-video x 1 , rca audio (l,r) dimensions :(wxhxd) 336 x 95 x 265 mm ; weight : 3.5 kg lamp type : 230w uhb ; lamp life (average): 2000 hrs screen size: 30-300 inches (polysilicon lcd) video compatibility : ntsc, ntsc 4.43, pal, pal-m, pal-n, secam power consumption : 370w vendors web address parallel imported warranty: warranty one year delivery within 2-4 business days