rgb liquid crystal shutter projection system brightness: 2700 ansi lumens ; contrast : 400:1 colour : full colour(16.77 million) lens : manual zoom/focus f-number : 1.6-1.77 ; focus length : 23.77-28.54 mm zoom ratio : 1-1.2 display : 0.7 inch with mla polysilicon tft ,(1024 x 768)x3 pixel,xga dimensions : (wxdxh) 273 x 193 x 79 mm ; weight : 1.7 kg lamp type : 170 w uhe i/o ports : usb input terminal : video - composite video, mini din, mini d-sub 15pin 1 blue-moulding audio - stereo mini jack projection method : front , rear , ceiling mount inc : power cord 1.8m , computer cable 1.8m slim cable, mini d-sub 15pin (male-male) ,remote control,battery,soft carry case,lens cover