1.Easy to install 2.Famous brand projector 3.Good after sale service 4. one ... , Contrast:3000:1,Resolution:1024*768, 2.9kg,Digital zoom3LCD set 1 2 Screen Metal screen:3.2*2.4m wide :lenth :4:3 ... m in hight 4. Power supply : 220v-380v Platform power;2.2W total power: 4 W The maximum load for platform: 2000KG ...