Home Theater Portable DVD Projector With DVD,RMVB(MP5),TV,GAME,USB,SD,MMC,AV ... ,GAME,USB,SD,MMC,AV IN&OUTUse: Business & Education, Home Projector fixing:Table, ceiling, wall Projection Image Size:20" ~80"Focus ... :1 Aspect Ratio:16:9Technology:LCD 2"Light Source:Halogen Lamp Light source life:20,00Hrs(minimum life)Build-in speaker ...