Under IWB, students feel the classes more lovely and interesting. It draws their attention and follow with teachers' thought. Digital projector ParametersModelTP-X51Native ResolutionXGA(1024 x 768)Display Technology3LCD 0.63''Brightness3000lmContract Ratio800:1Uniformity85%Lamp230w NSH/ 4,000 hrs(Eco) 3,000 hrs(Normal)Dimension345*305*93.5mmInputS-Video, Video, Composite Video, 15-pin D- sub x2 ...