... shape, long life and cheap lamp. Economical new LED portable hometheater video game,DVD movie,TV ,computer projector ... Can be used in video games, computer,KTV,bars,home theater, out door cinema, multimedia presentation, photo gallery ... 2) Keystone correction, the picture aspect ratio can switch from 16:9 to 4:3.(3) OSD screen ... -user's manual (to teach you how to use the projector)1- VGA cable for PC or ...