Detailed Product Description Commodity: Portable Projector.Specifications:1.Display Technology: LCoS 12 lumens2.Projection Lamp:LED3.Lamp Life:20000-50000 hours4.Projection Method:Central projection method5.Resolution: 640*4806.Aspect Ratio: 4:37.Contrast:200 : 18.Image Size(Normal/Dark): 5-80/5-120 inches 9.Maxi Projection Distance:3.5M10.Focus: Manual focus11.Build-in Memory:NO12.I/O Connectors ...