1.Built-in LED lights, can be used in dark 2.Fix focus,USB ... softwareKey Features:l Scan document, book, 3D object,business card,demonstration and save image and video,and use a computer ... via bundle presentation softwarel Fix focus,USB poweredl Built-in LED lights, can be used in darkl Portable and foldable,easily carry ... camera scanner/A4 portable document scanner/projector built-in LED lights