1. smart designed digital visual presenter 2. 300W pixel( CCD senor can be changed for ... Annotation: you can annotate, zoom, rotate and save with this function to the taken pictures6. Recording replay: you ... and the sound of teaching simultaneously and save them with avi format and replay, easier for user to ... as bmp, jpg, gif, png, html, pdf, PPT.8. Contents Edit: user can reset the opacity, color or ...